Finding the Third Proportional to 87,530.50 and 138,950

Step by Step Solution

1. Step 1: Write the proportion equation
   87,530.50 : 138,950 = 138,950 : x
2. Step 2: Convert to fraction form
   87,530.50/138,950 = 138,950/x
3. Step 3: Cross multiply
   87,530.50x = 138,950 × 138,950
4. Step 4: Simplify right side
   87,530.50x = 19,307,102,500
5. Step 5: Solve for x
   x = 19,307,102,500/87,530.50
6. Step 6: Final answer
   x = 220,575.71