Given these two exchange rates, $1 = 0.9952 Australian dollars and $1 = 0.6476, compute the cross

Question:

Given these two exchange rates, $1 = 0.9952 Australian dollars and $1 = £0.6476, compute the cross rate between the Australian dollars and the pound. State this in Australian dollars and in pounds.

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...