Finding the Third Proportional to 23,118 and 54,555

Step by Step Solution

1. Step 1: Write the proportion equation
   23,118 : 54,555 = 54,555 : x
2. Step 2: Convert to fraction form
   23,118/54,555 = 54,555/x
3. Step 3: Cross multiply
   23,118x = 54,555 × 54,555
4. Step 4: Simplify right side
   23,118x = 2,976,248,025
5. Step 5: Solve for x
   x = 2,976,248,025/23,118
6. Step 6: Final answer
   x = 128,741.59