Finding the Third Proportional to 20,866 and 43,110

Step by Step Solution

1. Step 1: Write the proportion equation
   20,866 : 43,110 = 43,110 : x
2. Step 2: Convert to fraction form
   20,866/43,110 = 43,110/x
3. Step 3: Cross multiply
   20,866x = 43,110 × 43,110
4. Step 4: Simplify right side
   20,866x = 1,858,472,100
5. Step 5: Solve for x
   x = 1,858,472,100/20,866
6. Step 6: Final answer
   x = 89,067.00