Finding the Third Proportional to 152,452 and 339,872

Step by Step Solution

1. Step 1: Write the proportion equation
   152,452 : 339,872 = 339,872 : x
2. Step 2: Convert to fraction form
   152,452/339,872 = 339,872/x
3. Step 3: Cross multiply
   152,452x = 339,872 × 339,872
4. Step 4: Simplify right side
   152,452x = 115,512,976,384
5. Step 5: Solve for x
   x = 115,512,976,384/152,452
6. Step 6: Final answer
   x = 757,700.63