A new poll shows Donald Trump is ahead of Hillary Clinton for the first time in the presidential race.

According to Rasmussen Reports, the billionaire has the support of 41 percent of the American voters while the former Secretary of State has just 39 percent.

The results were revealed as the Republican frontrunner told Daily Mail Online's Political Editor David Martosko that Cruz should quit the race if he loses Tuesday's Indiana primary.

Trump also told his supporters that the race was 'over' if his opponent fails to win the decisive vote.

The latest survey results have Trump leading Clinton for the first time since last October.

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A new poll shows Donald Trump is ahead of Hillary Clinton for the first time in the presidential race. According to Rasmussen Reports , the billionaire (pictured in South Bend, Indiana) has the support of 41 percent of the American voters while the former Secretary of State has just 39 percent

The results were revealed as the Republican frontrunner told Daily Mail Online's Political Editor David Martosko (right) that Cruz should quit the race if he loses Tuesday's Indiana primary

'Trump now has the support of 73 percent of Republicans, while 77 percent of Democrats back Clinton,' the report states.

'But Trump picks up 15 percent of Democrats, while just eight percent of GOP voters prefer Clinton, given this matchup,' it continues.

Voters now also think Trump and Hillary are massive favorites to win their party's nominations.

At one point Hillary was five percentage points ahead of her GOP adversary in the White House contest.

But The Donald has narrowed the gap as the party conventions in July draw closer.

With 57 delegates at stake, Trump could jump into insurmountable lead if he beats Cruz to win the Indiana primary.

The Texas Senator, who chose Carly Fiorina as his running mate last week in a bid to revitalize his campaign, has poured a huge number of resources into the state.

If Cruz does win Indiana, he has to look ahead to California, where the most delegates in the Republican race are up for grabs.

But, according to a poll for KUSA, Trump is ahead of Cruz by an enormous 34 percent.

In an exclusive interview with Daily Mail Online on Monday, Trump called on Cruz to quit the presidential race and go back to the U.S. Senate if he loses on Tuesday.

'Yes, he should. He should leave the race if I win,' Trump told DailyMail.com in a wide-ranging interview at an Indianapolis hotel during his last day of campaigning in the Hoosier State.

'Now, let's see what happens. Indiana's a great state and I have the support of Bobby Knight and so many other people. We'll have to see what happens, but yes, I think he should get out of the race,' Trump said.

The latest survey results have Trump leading Clinton for the first time since last October. She is pictured talking to steelworkers in Ashland, Kentucky, on Monday

Trump also said Cruz's 'tough temperament' might make him unsuitable for a spot on his short-list of potential Supreme Court nominees – a consolation prize he could offer the Texas as a party-unifying gesture.

Instead, Trump insisted Ted prepare to pack his bags – and doubled down on his demand later during a lunchtime stop at Shapiro's Delicatessen a few blocks from Lucas Oil Stadium.

Asked during an impromptu press gaggle whether an Indiana defeat should spell the end of a Cruz candidacy, he told reporters: 'I think it should.'

Trump lashed out at Cruz Monday morning, telling DailyMail.com that he disagrees with the Texan's characterization of him earlier in the day as a hateful bully and his base as 'bitter, angry, petty, bigoted people.'

'That is not America. I reject that vision of America,' Cruz told reporters in Indiana after a campaign stop.

'They're not angry,' Trump said of his loyal following. 'They're very disappointed in politicians like him that get a lot of money from special interest groups, and they protect their special interest groups very much to the detriment of the country.'

On Monday night, Trump told a crowd at a rally in Carmel: 'If we win Indiana, it's over. They're finished. They're gone.'

Pete Seat, a Republican operative, told the Washington Post: 'They not only put all their chips in the Indiana basket, but they made it very clear how desperate they’ve become.

'They have tried everything imaginable. It feels like this is slipping away from Ted Cruz pretty rapidly.'