Finding the Third Proportional to 2,020.78 and 3,165.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.78 : 3,165.33 = 3,165.33 : x
2. Step 2: Convert to fraction form
   2,020.78/3,165.33 = 3,165.33/x
3. Step 3: Cross multiply
   2,020.78x = 3,165.33 × 3,165.33
4. Step 4: Simplify right side
   2,020.78x = 10,019,302.14
5. Step 5: Solve for x
   x = 10,019,302.14/2,020.78
6. Step 6: Final answer
   x = 4,958.13