Finding the Third Proportional to 5,365.69 and 8,105.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,365.69 : 8,105.91 = 8,105.91 : x
2. Step 2: Convert to fraction form
   5,365.69/8,105.91 = 8,105.91/x
3. Step 3: Cross multiply
   5,365.69x = 8,105.91 × 8,105.91
4. Step 4: Simplify right side
   5,365.69x = 65,705,716.13
5. Step 5: Solve for x
   x = 65,705,716.13/5,365.69
6. Step 6: Final answer
   x = 12,245.54