Finding the Third Proportional to 2,560.50 and 5,553

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.50 : 5,553 = 5,553 : x
2. Step 2: Convert to fraction form
   2,560.50/5,553 = 5,553/x
3. Step 3: Cross multiply
   2,560.50x = 5,553 × 5,553
4. Step 4: Simplify right side
   2,560.50x = 30,835,809
5. Step 5: Solve for x
   x = 30,835,809/2,560.50
6. Step 6: Final answer
   x = 12,042.89