Finding the Third Proportional to 61,108.50 and 132,585

Step by Step Solution

1. Step 1: Write the proportion equation
   61,108.50 : 132,585 = 132,585 : x
2. Step 2: Convert to fraction form
   61,108.50/132,585 = 132,585/x
3. Step 3: Cross multiply
   61,108.50x = 132,585 × 132,585
4. Step 4: Simplify right side
   61,108.50x = 17,578,782,225
5. Step 5: Solve for x
   x = 17,578,782,225/61,108.50
6. Step 6: Final answer
   x = 287,665.09