Finding the Third Proportional to 3,550.63 and 5,557.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.63 : 5,557.69 = 5,557.69 : x
2. Step 2: Convert to fraction form
   3,550.63/5,557.69 = 5,557.69/x
3. Step 3: Cross multiply
   3,550.63x = 5,557.69 × 5,557.69
4. Step 4: Simplify right side
   3,550.63x = 30,887,890.35
5. Step 5: Solve for x
   x = 30,887,890.35/3,550.63
6. Step 6: Final answer
   x = 8,699.28