Finding the Third Proportional to 12,680 and 25,018

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680 : 25,018 = 25,018 : x
2. Step 2: Convert to fraction form
   12,680/25,018 = 25,018/x
3. Step 3: Cross multiply
   12,680x = 25,018 × 25,018
4. Step 4: Simplify right side
   12,680x = 625,900,324
5. Step 5: Solve for x
   x = 625,900,324/12,680
6. Step 6: Final answer
   x = 49,361.22