Finding the Third Proportional to 131,334 and 288,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,334 : 288,190.50 = 288,190.50 : x
2. Step 2: Convert to fraction form
   131,334/288,190.50 = 288,190.50/x
3. Step 3: Cross multiply
   131,334x = 288,190.50 × 288,190.50
4. Step 4: Simplify right side
   131,334x = 83,053,764,290.25
5. Step 5: Solve for x
   x = 83,053,764,290.25/131,334
6. Step 6: Final answer
   x = 632,385.86