Finding the Third Proportional to 2,140.69 and 3,320.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.69 : 3,320.06 = 3,320.06 : x
2. Step 2: Convert to fraction form
   2,140.69/3,320.06 = 3,320.06/x
3. Step 3: Cross multiply
   2,140.69x = 3,320.06 × 3,320.06
4. Step 4: Simplify right side
   2,140.69x = 11,022,815.00
5. Step 5: Solve for x
   x = 11,022,815.00/2,140.69
6. Step 6: Final answer
   x = 5,149.19