Finding the Third Proportional to 71,589,988 and 155,123,912

Step by Step Solution

1. Step 1: Write the proportion equation
   71,589,988 : 155,123,912 = 155,123,912 : x
2. Step 2: Convert to fraction form
   71,589,988/155,123,912 = 155,123,912/x
3. Step 3: Cross multiply
   71,589,988x = 155,123,912 × 155,123,912
4. Step 4: Simplify right side
   71,589,988x = 24,063,428,074,183,744
5. Step 5: Solve for x
   x = 24,063,428,074,183,744/71,589,988
6. Step 6: Final answer
   x = 336,128,399.33