Finding the Third Proportional to 25,647 and 57,879

Step by Step Solution

1. Step 1: Write the proportion equation
   25,647 : 57,879 = 57,879 : x
2. Step 2: Convert to fraction form
   25,647/57,879 = 57,879/x
3. Step 3: Cross multiply
   25,647x = 57,879 × 57,879
4. Step 4: Simplify right side
   25,647x = 3,349,978,641
5. Step 5: Solve for x
   x = 3,349,978,641/25,647
6. Step 6: Final answer
   x = 130,618.73