Finding the Third Proportional to 25,870 and 54,018

Step by Step Solution

1. Step 1: Write the proportion equation
   25,870 : 54,018 = 54,018 : x
2. Step 2: Convert to fraction form
   25,870/54,018 = 54,018/x
3. Step 3: Cross multiply
   25,870x = 54,018 × 54,018
4. Step 4: Simplify right side
   25,870x = 2,917,944,324
5. Step 5: Solve for x
   x = 2,917,944,324/25,870
6. Step 6: Final answer
   x = 112,792.59