Finding the Third Proportional to 12,449.25 and 19,429.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449.25 : 19,429.88 = 19,429.88 : x
2. Step 2: Convert to fraction form
   12,449.25/19,429.88 = 19,429.88/x
3. Step 3: Cross multiply
   12,449.25x = 19,429.88 × 19,429.88
4. Step 4: Simplify right side
   12,449.25x = 377,520,042.52
5. Step 5: Solve for x
   x = 377,520,042.52/12,449.25
6. Step 6: Final answer
   x = 30,324.72