Finding the Third Proportional to 131,260.50 and 281,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,260.50 : 281,200.50 = 281,200.50 : x
2. Step 2: Convert to fraction form
   131,260.50/281,200.50 = 281,200.50/x
3. Step 3: Cross multiply
   131,260.50x = 281,200.50 × 281,200.50
4. Step 4: Simplify right side
   131,260.50x = 79,073,721,200.25
5. Step 5: Solve for x
   x = 79,073,721,200.25/131,260.50
6. Step 6: Final answer
   x = 602,418.25