Finding the Third Proportional to 6,300 and 8,831.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300 : 8,831.25 = 8,831.25 : x
2. Step 2: Convert to fraction form
   6,300/8,831.25 = 8,831.25/x
3. Step 3: Cross multiply
   6,300x = 8,831.25 × 8,831.25
4. Step 4: Simplify right side
   6,300x = 77,990,976.56
5. Step 5: Solve for x
   x = 77,990,976.56/6,300
6. Step 6: Final answer
   x = 12,379.52