Finding the Third Proportional to 20,568 and 42,597

Step by Step Solution

1. Step 1: Write the proportion equation
   20,568 : 42,597 = 42,597 : x
2. Step 2: Convert to fraction form
   20,568/42,597 = 42,597/x
3. Step 3: Cross multiply
   20,568x = 42,597 × 42,597
4. Step 4: Simplify right side
   20,568x = 1,814,504,409
5. Step 5: Solve for x
   x = 1,814,504,409/20,568
6. Step 6: Final answer
   x = 88,219.78