Finding the Third Proportional to 131,385.94 and 288,205.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,385.94 : 288,205.88 = 288,205.88 : x
2. Step 2: Convert to fraction form
   131,385.94/288,205.88 = 288,205.88/x
3. Step 3: Cross multiply
   131,385.94x = 288,205.88 × 288,205.88
4. Step 4: Simplify right side
   131,385.94x = 83,062,626,384.52
5. Step 5: Solve for x
   x = 83,062,626,384.52/131,385.94
6. Step 6: Final answer
   x = 632,203.32