Finding the Third Proportional to 12,271.50 and 26,218.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,271.50 : 26,218.69 = 26,218.69 : x
2. Step 2: Convert to fraction form
   12,271.50/26,218.69 = 26,218.69/x
3. Step 3: Cross multiply
   12,271.50x = 26,218.69 × 26,218.69
4. Step 4: Simplify right side
   12,271.50x = 687,419,574.22
5. Step 5: Solve for x
   x = 687,419,574.22/12,271.50
6. Step 6: Final answer
   x = 56,017.57