Finding the Third Proportional to 2,561.94 and 5,599.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.94 : 5,599.92 = 5,599.92 : x
2. Step 2: Convert to fraction form
   2,561.94/5,599.92 = 5,599.92/x
3. Step 3: Cross multiply
   2,561.94x = 5,599.92 × 5,599.92
4. Step 4: Simplify right side
   2,561.94x = 31,359,059.38
5. Step 5: Solve for x
   x = 31,359,059.38/2,561.94
6. Step 6: Final answer
   x = 12,240.35