Finding the Third Proportional to 172,397,642 and 383,059,030

Step by Step Solution

1. Step 1: Write the proportion equation
   172,397,642 : 383,059,030 = 383,059,030 : x
2. Step 2: Convert to fraction form
   172,397,642/383,059,030 = 383,059,030/x
3. Step 3: Cross multiply
   172,397,642x = 383,059,030 × 383,059,030
4. Step 4: Simplify right side
   172,397,642x = 146,734,220,464,540,896
5. Step 5: Solve for x
   x = 146,734,220,464,540,896/172,397,642
6. Step 6: Final answer
   x = 851,138,210.26