Finding the Third Proportional to 21,034,998 and 31,690,895

Step by Step Solution

1. Step 1: Write the proportion equation
   21,034,998 : 31,690,895 = 31,690,895 : x
2. Step 2: Convert to fraction form
   21,034,998/31,690,895 = 31,690,895/x
3. Step 3: Cross multiply
   21,034,998x = 31,690,895 × 31,690,895
4. Step 4: Simplify right side
   21,034,998x = 1,004,312,825,901,025
5. Step 5: Solve for x
   x = 1,004,312,825,901,025/21,034,998
6. Step 6: Final answer
   x = 47,744,850.08