Finding the Third Proportional to 20,892 and 43,166

Step by Step Solution

1. Step 1: Write the proportion equation
   20,892 : 43,166 = 43,166 : x
2. Step 2: Convert to fraction form
   20,892/43,166 = 43,166/x
3. Step 3: Cross multiply
   20,892x = 43,166 × 43,166
4. Step 4: Simplify right side
   20,892x = 1,863,303,556
5. Step 5: Solve for x
   x = 1,863,303,556/20,892
6. Step 6: Final answer
   x = 89,187.42