Finding the Third Proportional to 3,309 and 4,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,309 : 4,498.50 = 4,498.50 : x
2. Step 2: Convert to fraction form
   3,309/4,498.50 = 4,498.50/x
3. Step 3: Cross multiply
   3,309x = 4,498.50 × 4,498.50
4. Step 4: Simplify right side
   3,309x = 20,236,502.25
5. Step 5: Solve for x
   x = 20,236,502.25/3,309
6. Step 6: Final answer
   x = 6,115.59