Finding the Third Proportional to 2,601.49 and 5,618.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.49 : 5,618.43 = 5,618.43 : x
2. Step 2: Convert to fraction form
   2,601.49/5,618.43 = 5,618.43/x
3. Step 3: Cross multiply
   2,601.49x = 5,618.43 × 5,618.43
4. Step 4: Simplify right side
   2,601.49x = 31,566,708.26
5. Step 5: Solve for x
   x = 31,566,708.26/2,601.49
6. Step 6: Final answer
   x = 12,134.08