Finding the Third Proportional to 25,559 and 55,618

Step by Step Solution

1. Step 1: Write the proportion equation
   25,559 : 55,618 = 55,618 : x
2. Step 2: Convert to fraction form
   25,559/55,618 = 55,618/x
3. Step 3: Cross multiply
   25,559x = 55,618 × 55,618
4. Step 4: Simplify right side
   25,559x = 3,093,361,924
5. Step 5: Solve for x
   x = 3,093,361,924/25,559
6. Step 6: Final answer
   x = 121,028.28