Finding the Third Proportional to 2,061.91 and 4,020.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.91 : 4,020.68 = 4,020.68 : x
2. Step 2: Convert to fraction form
   2,061.91/4,020.68 = 4,020.68/x
3. Step 3: Cross multiply
   2,061.91x = 4,020.68 × 4,020.68
4. Step 4: Simplify right side
   2,061.91x = 16,165,865.15
5. Step 5: Solve for x
   x = 16,165,865.15/2,061.91
6. Step 6: Final answer
   x = 7,840.22