Finding the Third Proportional to 2,379.38 and 3,555.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.38 : 3,555.35 = 3,555.35 : x
2. Step 2: Convert to fraction form
   2,379.38/3,555.35 = 3,555.35/x
3. Step 3: Cross multiply
   2,379.38x = 3,555.35 × 3,555.35
4. Step 4: Simplify right side
   2,379.38x = 12,640,524.73
5. Step 5: Solve for x
   x = 12,640,524.73/2,379.38
6. Step 6: Final answer
   x = 5,312.54