Finding the Third Proportional to 10,831.50 and 14,487.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.50 : 14,487.94 = 14,487.94 : x
2. Step 2: Convert to fraction form
   10,831.50/14,487.94 = 14,487.94/x
3. Step 3: Cross multiply
   10,831.50x = 14,487.94 × 14,487.94
4. Step 4: Simplify right side
   10,831.50x = 209,900,333.00
5. Step 5: Solve for x
   x = 209,900,333.00/10,831.50
6. Step 6: Final answer
   x = 19,378.69