Finding the Third Proportional to 172,397,636 and 383,059,026

Step by Step Solution

1. Step 1: Write the proportion equation
   172,397,636 : 383,059,026 = 383,059,026 : x
2. Step 2: Convert to fraction form
   172,397,636/383,059,026 = 383,059,026/x
3. Step 3: Cross multiply
   172,397,636x = 383,059,026 × 383,059,026
4. Step 4: Simplify right side
   172,397,636x = 146,734,217,400,068,672
5. Step 5: Solve for x
   x = 146,734,217,400,068,672/172,397,636
6. Step 6: Final answer
   x = 851,138,222.10