Finding the Third Proportional to 4,105.69 and 9,031.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.69 : 9,031.69 = 9,031.69 : x
2. Step 2: Convert to fraction form
   4,105.69/9,031.69 = 9,031.69/x
3. Step 3: Cross multiply
   4,105.69x = 9,031.69 × 9,031.69
4. Step 4: Simplify right side
   4,105.69x = 81,571,379.10
5. Step 5: Solve for x
   x = 81,571,379.10/4,105.69
6. Step 6: Final answer
   x = 19,867.90