Finding the Third Proportional to 2,707 and 2,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707 : 2,990.50 = 2,990.50 : x
2. Step 2: Convert to fraction form
   2,707/2,990.50 = 2,990.50/x
3. Step 3: Cross multiply
   2,707x = 2,990.50 × 2,990.50
4. Step 4: Simplify right side
   2,707x = 8,943,090.25
5. Step 5: Solve for x
   x = 8,943,090.25/2,707
6. Step 6: Final answer
   x = 3,303.69