Finding the Third Proportional to 172,397,996 and 383,059,716

Step by Step Solution

1. Step 1: Write the proportion equation
   172,397,996 : 383,059,716 = 383,059,716 : x
2. Step 2: Convert to fraction form
   172,397,996/383,059,716 = 383,059,716/x
3. Step 3: Cross multiply
   172,397,996x = 383,059,716 × 383,059,716
4. Step 4: Simplify right side
   172,397,996x = 146,734,746,022,000,640
5. Step 5: Solve for x
   x = 146,734,746,022,000,640/172,397,996
6. Step 6: Final answer
   x = 851,139,511.05