The U.S. dollar spot exchange rate with the Australian dollar is $1 = AU$1.2697. The U.S. dollar

Question:

The U.S. dollar spot with the Australian dollar is $1 = AU$1.2697. The U.S. dollar and euro is $1 = €0.7559. If the cross rate between the euro and Australian dollar is €1 = AU$1.598 then show that an arbitrage is possible. What positions should be taken to profit from the mispricing?

Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...