Finding the Third Proportional to 20,774 and 43,082

Step by Step Solution

1. Step 1: Write the proportion equation
   20,774 : 43,082 = 43,082 : x
2. Step 2: Convert to fraction form
   20,774/43,082 = 43,082/x
3. Step 3: Cross multiply
   20,774x = 43,082 × 43,082
4. Step 4: Simplify right side
   20,774x = 1,856,058,724
5. Step 5: Solve for x
   x = 1,856,058,724/20,774
6. Step 6: Final answer
   x = 89,345.27