Finding the Third Proportional to 72,986,767.50 and 102,039,972

Step by Step Solution

1. Step 1: Write the proportion equation
   72,986,767.50 : 102,039,972 = 102,039,972 : x
2. Step 2: Convert to fraction form
   72,986,767.50/102,039,972 = 102,039,972/x
3. Step 3: Cross multiply
   72,986,767.50x = 102,039,972 × 102,039,972
4. Step 4: Simplify right side
   72,986,767.50x = 10,412,155,885,760,784
5. Step 5: Solve for x
   x = 10,412,155,885,760,784/72,986,767.50
6. Step 6: Final answer
   x = 142,658,131.64