Finding the Third Proportional to 12,313.27 and 25,685.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,313.27 : 25,685.86 = 25,685.86 : x
2. Step 2: Convert to fraction form
   12,313.27/25,685.86 = 25,685.86/x
3. Step 3: Cross multiply
   12,313.27x = 25,685.86 × 25,685.86
4. Step 4: Simplify right side
   12,313.27x = 659,763,371.83
5. Step 5: Solve for x
   x = 659,763,371.83/12,313.27
6. Step 6: Final answer
   x = 53,581.51