Finding the Third Proportional to 2,193 and 3,281.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193 : 3,281.25 = 3,281.25 : x
2. Step 2: Convert to fraction form
   2,193/3,281.25 = 3,281.25/x
3. Step 3: Cross multiply
   2,193x = 3,281.25 × 3,281.25
4. Step 4: Simplify right side
   2,193x = 10,766,601.56
5. Step 5: Solve for x
   x = 10,766,601.56/2,193
6. Step 6: Final answer
   x = 4,909.53