How to find the cross currency rate from two different currency pairs?

General
1

How to find the cross currency rate from two different currency pairs?

eg :- AUDUSD & USDINR , how to find the rate/price for AUDINR from this pair of currency?

2

This may help:

http://tradingqna.com/908/speculate-currencies-paired-with-cant-trade-euro-dollar-india?show=912#a912

3

http://www.moneycontrol.com/mccode/currencies/

Hope this helps…