Finding the Third Proportional to 87,662 and 142,425

Step by Step Solution

1. Step 1: Write the proportion equation
   87,662 : 142,425 = 142,425 : x
2. Step 2: Convert to fraction form
   87,662/142,425 = 142,425/x
3. Step 3: Cross multiply
   87,662x = 142,425 × 142,425
4. Step 4: Simplify right side
   87,662x = 20,284,880,625
5. Step 5: Solve for x
   x = 20,284,880,625/87,662
6. Step 6: Final answer
   x = 231,398.79