Finding the Third Proportional to 7,831.69 and 16,891.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,831.69 : 16,891.03 = 16,891.03 : x
2. Step 2: Convert to fraction form
   7,831.69/16,891.03 = 16,891.03/x
3. Step 3: Cross multiply
   7,831.69x = 16,891.03 × 16,891.03
4. Step 4: Simplify right side
   7,831.69x = 285,306,936.69
5. Step 5: Solve for x
   x = 285,306,936.69/7,831.69
6. Step 6: Final answer
   x = 36,429.82