Finding the Third Proportional to 12,590 and 25,726

Step by Step Solution

1. Step 1: Write the proportion equation
   12,590 : 25,726 = 25,726 : x
2. Step 2: Convert to fraction form
   12,590/25,726 = 25,726/x
3. Step 3: Cross multiply
   12,590x = 25,726 × 25,726
4. Step 4: Simplify right side
   12,590x = 661,827,076
5. Step 5: Solve for x
   x = 661,827,076/12,590
6. Step 6: Final answer
   x = 52,567.68