Finding the Third Proportional to 2,576.75 and 5,560.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.75 : 5,560.75 = 5,560.75 : x
2. Step 2: Convert to fraction form
   2,576.75/5,560.75 = 5,560.75/x
3. Step 3: Cross multiply
   2,576.75x = 5,560.75 × 5,560.75
4. Step 4: Simplify right side
   2,576.75x = 30,921,940.56
5. Step 5: Solve for x
   x = 30,921,940.56/2,576.75
6. Step 6: Final answer
   x = 12,000.37