Finding the Third Proportional to 2,928.94 and 4,393.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.94 : 4,393.69 = 4,393.69 : x
2. Step 2: Convert to fraction form
   2,928.94/4,393.69 = 4,393.69/x
3. Step 3: Cross multiply
   2,928.94x = 4,393.69 × 4,393.69
4. Step 4: Simplify right side
   2,928.94x = 19,304,489.85
5. Step 5: Solve for x
   x = 19,304,489.85/2,928.94
6. Step 6: Final answer
   x = 6,590.95