Finding the Third Proportional to 25,009 and 54,986

Step by Step Solution

1. Step 1: Write the proportion equation
   25,009 : 54,986 = 54,986 : x
2. Step 2: Convert to fraction form
   25,009/54,986 = 54,986/x
3. Step 3: Cross multiply
   25,009x = 54,986 × 54,986
4. Step 4: Simplify right side
   25,009x = 3,023,460,196
5. Step 5: Solve for x
   x = 3,023,460,196/25,009
6. Step 6: Final answer
   x = 120,894.89