Finding the Third Proportional to 131,662 and 288,325

Step by Step Solution

1. Step 1: Write the proportion equation
   131,662 : 288,325 = 288,325 : x
2. Step 2: Convert to fraction form
   131,662/288,325 = 288,325/x
3. Step 3: Cross multiply
   131,662x = 288,325 × 288,325
4. Step 4: Simplify right side
   131,662x = 83,131,305,625
5. Step 5: Solve for x
   x = 83,131,305,625/131,662
6. Step 6: Final answer
   x = 631,399.38