Finding the Third Proportional to 363,280.50 and 560,250

Step by Step Solution

1. Step 1: Write the proportion equation
   363,280.50 : 560,250 = 560,250 : x
2. Step 2: Convert to fraction form
   363,280.50/560,250 = 560,250/x
3. Step 3: Cross multiply
   363,280.50x = 560,250 × 560,250
4. Step 4: Simplify right side
   363,280.50x = 313,880,062,500
5. Step 5: Solve for x
   x = 313,880,062,500/363,280.50
6. Step 6: Final answer
   x = 864,015.72