Finding the Third Proportional to 2,758.50 and 3,454.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.50 : 3,454.13 = 3,454.13 : x
2. Step 2: Convert to fraction form
   2,758.50/3,454.13 = 3,454.13/x
3. Step 3: Cross multiply
   2,758.50x = 3,454.13 × 3,454.13
4. Step 4: Simplify right side
   2,758.50x = 11,930,979.52
5. Step 5: Solve for x
   x = 11,930,979.52/2,758.50
6. Step 6: Final answer
   x = 4,325.17