Finding the Third Proportional to 71,431,080 and 155,039,372

Step by Step Solution

1. Step 1: Write the proportion equation
   71,431,080 : 155,039,372 = 155,039,372 : x
2. Step 2: Convert to fraction form
   71,431,080/155,039,372 = 155,039,372/x
3. Step 3: Cross multiply
   71,431,080x = 155,039,372 × 155,039,372
4. Step 4: Simplify right side
   71,431,080x = 24,037,206,870,154,384
5. Step 5: Solve for x
   x = 24,037,206,870,154,384/71,431,080
6. Step 6: Final answer
   x = 336,509,077.98