Finding the Third Proportional to 2,600.86 and 5,596.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.86 : 5,596.59 = 5,596.59 : x
2. Step 2: Convert to fraction form
   2,600.86/5,596.59 = 5,596.59/x
3. Step 3: Cross multiply
   2,600.86x = 5,596.59 × 5,596.59
4. Step 4: Simplify right side
   2,600.86x = 31,321,861.60
5. Step 5: Solve for x
   x = 31,321,861.60/2,600.86
6. Step 6: Final answer
   x = 12,042.89