Finding the Third Proportional to 71,431,068 and 155,039,352

Step by Step Solution

1. Step 1: Write the proportion equation
   71,431,068 : 155,039,352 = 155,039,352 : x
2. Step 2: Convert to fraction form
   71,431,068/155,039,352 = 155,039,352/x
3. Step 3: Cross multiply
   71,431,068x = 155,039,352 × 155,039,352
4. Step 4: Simplify right side
   71,431,068x = 24,037,200,668,579,904
5. Step 5: Solve for x
   x = 24,037,200,668,579,904/71,431,068
6. Step 6: Final answer
   x = 336,509,047.70