Finding the Third Proportional to 12,453 and 25,743

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453 : 25,743 = 25,743 : x
2. Step 2: Convert to fraction form
   12,453/25,743 = 25,743/x
3. Step 3: Cross multiply
   12,453x = 25,743 × 25,743
4. Step 4: Simplify right side
   12,453x = 662,702,049
5. Step 5: Solve for x
   x = 662,702,049/12,453
6. Step 6: Final answer
   x = 53,216.26