Finding the Third Proportional to 38,892 and 57,042

Step by Step Solution

1. Step 1: Write the proportion equation
   38,892 : 57,042 = 57,042 : x
2. Step 2: Convert to fraction form
   38,892/57,042 = 57,042/x
3. Step 3: Cross multiply
   38,892x = 57,042 × 57,042
4. Step 4: Simplify right side
   38,892x = 3,253,789,764
5. Step 5: Solve for x
   x = 3,253,789,764/38,892
6. Step 6: Final answer
   x = 83,662.19