Finding the Third Proportional to 12,729.69 and 18,704.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,729.69 : 18,704.83 = 18,704.83 : x
2. Step 2: Convert to fraction form
   12,729.69/18,704.83 = 18,704.83/x
3. Step 3: Cross multiply
   12,729.69x = 18,704.83 × 18,704.83
4. Step 4: Simplify right side
   12,729.69x = 349,870,668.25
5. Step 5: Solve for x
   x = 349,870,668.25/12,729.69
6. Step 6: Final answer
   x = 27,484.62