Finding the Third Proportional to 57,730.50 and 120,078

Step by Step Solution

1. Step 1: Write the proportion equation
   57,730.50 : 120,078 = 120,078 : x
2. Step 2: Convert to fraction form
   57,730.50/120,078 = 120,078/x
3. Step 3: Cross multiply
   57,730.50x = 120,078 × 120,078
4. Step 4: Simplify right side
   57,730.50x = 14,418,726,084
5. Step 5: Solve for x
   x = 14,418,726,084/57,730.50
6. Step 6: Final answer
   x = 249,759.24