Finding the Third Proportional to 2,680.59 and 4,020.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.59 : 4,020.89 = 4,020.89 : x
2. Step 2: Convert to fraction form
   2,680.59/4,020.89 = 4,020.89/x
3. Step 3: Cross multiply
   2,680.59x = 4,020.89 × 4,020.89
4. Step 4: Simplify right side
   2,680.59x = 16,167,561.42
5. Step 5: Solve for x
   x = 16,167,561.42/2,680.59
6. Step 6: Final answer
   x = 6,031.34