Finding the Third Proportional to 131,908.50 and 288,765

Step by Step Solution

1. Step 1: Write the proportion equation
   131,908.50 : 288,765 = 288,765 : x
2. Step 2: Convert to fraction form
   131,908.50/288,765 = 288,765/x
3. Step 3: Cross multiply
   131,908.50x = 288,765 × 288,765
4. Step 4: Simplify right side
   131,908.50x = 83,385,225,225
5. Step 5: Solve for x
   x = 83,385,225,225/131,908.50
6. Step 6: Final answer
   x = 632,144.44