Finding the Third Proportional to 2,699.16 and 5,616.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.16 : 5,616.28 = 5,616.28 : x
2. Step 2: Convert to fraction form
   2,699.16/5,616.28 = 5,616.28/x
3. Step 3: Cross multiply
   2,699.16x = 5,616.28 × 5,616.28
4. Step 4: Simplify right side
   2,699.16x = 31,542,615.08
5. Step 5: Solve for x
   x = 31,542,615.08/2,699.16
6. Step 6: Final answer
   x = 11,686.10