Finding the Third Proportional to 12,040 and 25,816

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040 : 25,816 = 25,816 : x
2. Step 2: Convert to fraction form
   12,040/25,816 = 25,816/x
3. Step 3: Cross multiply
   12,040x = 25,816 × 25,816
4. Step 4: Simplify right side
   12,040x = 666,465,856
5. Step 5: Solve for x
   x = 666,465,856/12,040
6. Step 6: Final answer
   x = 55,354.31