Finding the Third Proportional to 5,550.50 and 8,342.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.50 : 8,342.88 = 8,342.88 : x
2. Step 2: Convert to fraction form
   5,550.50/8,342.88 = 8,342.88/x
3. Step 3: Cross multiply
   5,550.50x = 8,342.88 × 8,342.88
4. Step 4: Simplify right side
   5,550.50x = 69,603,563.27
5. Step 5: Solve for x
   x = 69,603,563.27/5,550.50
6. Step 6: Final answer
   x = 12,540.05