Finding the Third Proportional to 6,442.45 and 8,550.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,442.45 : 8,550.56 = 8,550.56 : x
2. Step 2: Convert to fraction form
   6,442.45/8,550.56 = 8,550.56/x
3. Step 3: Cross multiply
   6,442.45x = 8,550.56 × 8,550.56
4. Step 4: Simplify right side
   6,442.45x = 73,112,119.07
5. Step 5: Solve for x
   x = 73,112,119.07/6,442.45
6. Step 6: Final answer
   x = 11,348.49