Finding the Third Proportional to 31,948,998 and 69,979,598

Step by Step Solution

1. Step 1: Write the proportion equation
   31,948,998 : 69,979,598 = 69,979,598 : x
2. Step 2: Convert to fraction form
   31,948,998/69,979,598 = 69,979,598/x
3. Step 3: Cross multiply
   31,948,998x = 69,979,598 × 69,979,598
4. Step 4: Simplify right side
   31,948,998x = 4,897,144,136,241,604
5. Step 5: Solve for x
   x = 4,897,144,136,241,604/31,948,998
6. Step 6: Final answer
   x = 153,280,053.92