Finding the Third Proportional to 3,553.88 and 5,616.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553.88 : 5,616.56 = 5,616.56 : x
2. Step 2: Convert to fraction form
   3,553.88/5,616.56 = 5,616.56/x
3. Step 3: Cross multiply
   3,553.88x = 5,616.56 × 5,616.56
4. Step 4: Simplify right side
   3,553.88x = 31,545,774.32
5. Step 5: Solve for x
   x = 31,545,774.32/3,553.88
6. Step 6: Final answer
   x = 8,876.44