Finding the Third Proportional to 87,512 and 132,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,512 : 132,069.50 = 132,069.50 : x
2. Step 2: Convert to fraction form
   87,512/132,069.50 = 132,069.50/x
3. Step 3: Cross multiply
   87,512x = 132,069.50 × 132,069.50
4. Step 4: Simplify right side
   87,512x = 17,442,352,830.25
5. Step 5: Solve for x
   x = 17,442,352,830.25/87,512
6. Step 6: Final answer
   x = 199,313.84