Finding the Third Proportional to 7,939.69 and 10,369.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,939.69 : 10,369.69 = 10,369.69 : x
2. Step 2: Convert to fraction form
   7,939.69/10,369.69 = 10,369.69/x
3. Step 3: Cross multiply
   7,939.69x = 10,369.69 × 10,369.69
4. Step 4: Simplify right side
   7,939.69x = 107,530,418.85
5. Step 5: Solve for x
   x = 107,530,418.85/7,939.69
6. Step 6: Final answer
   x = 13,543.41