Finding the Third Proportional to 2,572.88 and 5,617.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.88 : 5,617.13 = 5,617.13 : x
2. Step 2: Convert to fraction form
   2,572.88/5,617.13 = 5,617.13/x
3. Step 3: Cross multiply
   2,572.88x = 5,617.13 × 5,617.13
4. Step 4: Simplify right side
   2,572.88x = 31,552,093.27
5. Step 5: Solve for x
   x = 31,552,093.27/2,572.88
6. Step 6: Final answer
   x = 12,263.36