Finding the Third Proportional to 14,352.19 and 20,961.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,352.19 : 20,961.28 = 20,961.28 : x
2. Step 2: Convert to fraction form
   14,352.19/20,961.28 = 20,961.28/x
3. Step 3: Cross multiply
   14,352.19x = 20,961.28 × 20,961.28
4. Step 4: Simplify right side
   14,352.19x = 439,375,311.64
5. Step 5: Solve for x
   x = 439,375,311.64/14,352.19
6. Step 6: Final answer
   x = 30,613.82