Finding the Third Proportional to 1,648.69 and 3,394.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.69 : 3,394.83 = 3,394.83 : x
2. Step 2: Convert to fraction form
   1,648.69/3,394.83 = 3,394.83/x
3. Step 3: Cross multiply
   1,648.69x = 3,394.83 × 3,394.83
4. Step 4: Simplify right side
   1,648.69x = 11,524,858.00
5. Step 5: Solve for x
   x = 11,524,858.00/1,648.69
6. Step 6: Final answer
   x = 6,990.32