Finding the Third Proportional to 14,405,581,644 and 31,215,892,632

Step by Step Solution

1. Step 1: Write the proportion equation
   14,405,581,644 : 31,215,892,632 = 31,215,892,632 : x
2. Step 2: Convert to fraction form
   14,405,581,644/31,215,892,632 = 31,215,892,632/x
3. Step 3: Cross multiply
   14,405,581,644x = 31,215,892,632 × 31,215,892,632
4. Step 4: Simplify right side
   14,405,581,644x = 974,431,952,812,551,831,552
5. Step 5: Solve for x
   x = 974,431,952,812,551,831,552/14,405,581,644
6. Step 6: Final answer
   x = 67,642,666,356.23