Finding the Third Proportional to 2,355.75 and 3,545.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.75 : 3,545.63 = 3,545.63 : x
2. Step 2: Convert to fraction form
   2,355.75/3,545.63 = 3,545.63/x
3. Step 3: Cross multiply
   2,355.75x = 3,545.63 × 3,545.63
4. Step 4: Simplify right side
   2,355.75x = 12,571,456.64
5. Step 5: Solve for x
   x = 12,571,456.64/2,355.75
6. Step 6: Final answer
   x = 5,336.50