Finding the Third Proportional to 21,034,996 and 31,690,892

Step by Step Solution

1. Step 1: Write the proportion equation
   21,034,996 : 31,690,892 = 31,690,892 : x
2. Step 2: Convert to fraction form
   21,034,996/31,690,892 = 31,690,892/x
3. Step 3: Cross multiply
   21,034,996x = 31,690,892 × 31,690,892
4. Step 4: Simplify right side
   21,034,996x = 1,004,312,635,755,664
5. Step 5: Solve for x
   x = 1,004,312,635,755,664/21,034,996
6. Step 6: Final answer
   x = 47,744,845.58