Finding the Third Proportional to 71,431,254 and 155,039,688

Step by Step Solution

1. Step 1: Write the proportion equation
   71,431,254 : 155,039,688 = 155,039,688 : x
2. Step 2: Convert to fraction form
   71,431,254/155,039,688 = 155,039,688/x
3. Step 3: Cross multiply
   71,431,254x = 155,039,688 × 155,039,688
4. Step 4: Simplify right side
   71,431,254x = 24,037,304,855,137,344
5. Step 5: Solve for x
   x = 24,037,304,855,137,344/71,431,254
6. Step 6: Final answer
   x = 336,509,630.02