Finding the Third Proportional to 3,385.31 and 5,605.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,385.31 : 5,605.69 = 5,605.69 : x
2. Step 2: Convert to fraction form
   3,385.31/5,605.69 = 5,605.69/x
3. Step 3: Cross multiply
   3,385.31x = 5,605.69 × 5,605.69
4. Step 4: Simplify right side
   3,385.31x = 31,423,732.35
5. Step 5: Solve for x
   x = 31,423,732.35/3,385.31
6. Step 6: Final answer
   x = 9,282.37