Finding the Third Proportional to 25,530 and 54,216

Step by Step Solution

1. Step 1: Write the proportion equation
   25,530 : 54,216 = 54,216 : x
2. Step 2: Convert to fraction form
   25,530/54,216 = 54,216/x
3. Step 3: Cross multiply
   25,530x = 54,216 × 54,216
4. Step 4: Simplify right side
   25,530x = 2,939,374,656
5. Step 5: Solve for x
   x = 2,939,374,656/25,530
6. Step 6: Final answer
   x = 115,134.14