Finding the Third Proportional to 2,644.50 and 3,959

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.50 : 3,959 = 3,959 : x
2. Step 2: Convert to fraction form
   2,644.50/3,959 = 3,959/x
3. Step 3: Cross multiply
   2,644.50x = 3,959 × 3,959
4. Step 4: Simplify right side
   2,644.50x = 15,673,681
5. Step 5: Solve for x
   x = 15,673,681/2,644.50
6. Step 6: Final answer
   x = 5,926.90