Finding the Third Proportional to 20,412 and 41,922

Step by Step Solution

1. Step 1: Write the proportion equation
   20,412 : 41,922 = 41,922 : x
2. Step 2: Convert to fraction form
   20,412/41,922 = 41,922/x
3. Step 3: Cross multiply
   20,412x = 41,922 × 41,922
4. Step 4: Simplify right side
   20,412x = 1,757,454,084
5. Step 5: Solve for x
   x = 1,757,454,084/20,412
6. Step 6: Final answer
   x = 86,099.06