Finding the Third Proportional to 6,322.22 and 8,857.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,322.22 : 8,857.27 = 8,857.27 : x
2. Step 2: Convert to fraction form
   6,322.22/8,857.27 = 8,857.27/x
3. Step 3: Cross multiply
   6,322.22x = 8,857.27 × 8,857.27
4. Step 4: Simplify right side
   6,322.22x = 78,451,154.35
5. Step 5: Solve for x
   x = 78,451,154.35/6,322.22
6. Step 6: Final answer
   x = 12,408.80