Finding the Third Proportional to 5,685.47 and 12,143.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,685.47 : 12,143.81 = 12,143.81 : x
2. Step 2: Convert to fraction form
   5,685.47/12,143.81 = 12,143.81/x
3. Step 3: Cross multiply
   5,685.47x = 12,143.81 × 12,143.81
4. Step 4: Simplify right side
   5,685.47x = 147,472,182.04
5. Step 5: Solve for x
   x = 147,472,182.04/5,685.47
6. Step 6: Final answer
   x = 25,938.44