Finding the Third Proportional to 12,763.20 and 19,067.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763.20 : 19,067.91 = 19,067.91 : x
2. Step 2: Convert to fraction form
   12,763.20/19,067.91 = 19,067.91/x
3. Step 3: Cross multiply
   12,763.20x = 19,067.91 × 19,067.91
4. Step 4: Simplify right side
   12,763.20x = 363,585,048.76
5. Step 5: Solve for x
   x = 363,585,048.76/12,763.20
6. Step 6: Final answer
   x = 28,486.99