Finding the Third Proportional to 21,058 and 30,422

Step by Step Solution

1. Step 1: Write the proportion equation
   21,058 : 30,422 = 30,422 : x
2. Step 2: Convert to fraction form
   21,058/30,422 = 30,422/x
3. Step 3: Cross multiply
   21,058x = 30,422 × 30,422
4. Step 4: Simplify right side
   21,058x = 925,498,084
5. Step 5: Solve for x
   x = 925,498,084/21,058
6. Step 6: Final answer
   x = 43,949.95