Finding the Third Proportional to 87,538.50 and 138,962

Step by Step Solution

1. Step 1: Write the proportion equation
   87,538.50 : 138,962 = 138,962 : x
2. Step 2: Convert to fraction form
   87,538.50/138,962 = 138,962/x
3. Step 3: Cross multiply
   87,538.50x = 138,962 × 138,962
4. Step 4: Simplify right side
   87,538.50x = 19,310,437,444
5. Step 5: Solve for x
   x = 19,310,437,444/87,538.50
6. Step 6: Final answer
   x = 220,593.65