Finding the Third Proportional to 8,322.75 and 12,313.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.75 : 12,313.27 = 12,313.27 : x
2. Step 2: Convert to fraction form
   8,322.75/12,313.27 = 12,313.27/x
3. Step 3: Cross multiply
   8,322.75x = 12,313.27 × 12,313.27
4. Step 4: Simplify right side
   8,322.75x = 151,616,510.35
5. Step 5: Solve for x
   x = 151,616,510.35/8,322.75
6. Step 6: Final answer
   x = 18,217.12