Finding the Third Proportional to 14,229.74 and 21,229.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,229.74 : 21,229.28 = 21,229.28 : x
2. Step 2: Convert to fraction form
   14,229.74/21,229.28 = 21,229.28/x
3. Step 3: Cross multiply
   14,229.74x = 21,229.28 × 21,229.28
4. Step 4: Simplify right side
   14,229.74x = 450,682,216.54
5. Step 5: Solve for x
   x = 450,682,216.54/14,229.74
6. Step 6: Final answer
   x = 31,671.86