Finding the Third Proportional to 2,986.50 and 7,020.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.50 : 7,020.75 = 7,020.75 : x
2. Step 2: Convert to fraction form
   2,986.50/7,020.75 = 7,020.75/x
3. Step 3: Cross multiply
   2,986.50x = 7,020.75 × 7,020.75
4. Step 4: Simplify right side
   2,986.50x = 49,290,930.56
5. Step 5: Solve for x
   x = 49,290,930.56/2,986.50
6. Step 6: Final answer
   x = 16,504.58