Finding the Third Proportional to 12,718.69 and 25,796.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718.69 : 25,796.81 = 25,796.81 : x
2. Step 2: Convert to fraction form
   12,718.69/25,796.81 = 25,796.81/x
3. Step 3: Cross multiply
   12,718.69x = 25,796.81 × 25,796.81
4. Step 4: Simplify right side
   12,718.69x = 665,475,535.16
5. Step 5: Solve for x
   x = 665,475,535.16/12,718.69
6. Step 6: Final answer
   x = 52,322.66