Finding the Third Proportional to 21,990 and 44,748

Step by Step Solution

1. Step 1: Write the proportion equation
   21,990 : 44,748 = 44,748 : x
2. Step 2: Convert to fraction form
   21,990/44,748 = 44,748/x
3. Step 3: Cross multiply
   21,990x = 44,748 × 44,748
4. Step 4: Simplify right side
   21,990x = 2,002,383,504
5. Step 5: Solve for x
   x = 2,002,383,504/21,990
6. Step 6: Final answer
   x = 91,058.82