Finding the Third Proportional to 1,648.79 and 3,545.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.79 : 3,545.33 = 3,545.33 : x
2. Step 2: Convert to fraction form
   1,648.79/3,545.33 = 3,545.33/x
3. Step 3: Cross multiply
   1,648.79x = 3,545.33 × 3,545.33
4. Step 4: Simplify right side
   1,648.79x = 12,569,379.21
5. Step 5: Solve for x
   x = 12,569,379.21/1,648.79
6. Step 6: Final answer
   x = 7,623.38