Finding the Third Proportional to 37,637,792 and 81,648,448

Step by Step Solution

1. Step 1: Write the proportion equation
   37,637,792 : 81,648,448 = 81,648,448 : x
2. Step 2: Convert to fraction form
   37,637,792/81,648,448 = 81,648,448/x
3. Step 3: Cross multiply
   37,637,792x = 81,648,448 × 81,648,448
4. Step 4: Simplify right side
   37,637,792x = 6,666,469,060,808,704
5. Step 5: Solve for x
   x = 6,666,469,060,808,704/37,637,792
6. Step 6: Final answer
   x = 177,121,682.93