Finding the Third Proportional to 2,565.75 and 5,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.75 : 5,599.50 = 5,599.50 : x
2. Step 2: Convert to fraction form
   2,565.75/5,599.50 = 5,599.50/x
3. Step 3: Cross multiply
   2,565.75x = 5,599.50 × 5,599.50
4. Step 4: Simplify right side
   2,565.75x = 31,354,400.25
5. Step 5: Solve for x
   x = 31,354,400.25/2,565.75
6. Step 6: Final answer
   x = 12,220.36