Finding the Third Proportional to 14,028.61 and 20,519.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,028.61 : 20,519.58 = 20,519.58 : x
2. Step 2: Convert to fraction form
   14,028.61/20,519.58 = 20,519.58/x
3. Step 3: Cross multiply
   14,028.61x = 20,519.58 × 20,519.58
4. Step 4: Simplify right side
   14,028.61x = 421,053,086.43
5. Step 5: Solve for x
   x = 421,053,086.43/14,028.61
6. Step 6: Final answer
   x = 30,013.89