Finding the Third Proportional to 2,190.38 and 4,098.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.38 : 4,098.52 = 4,098.52 : x
2. Step 2: Convert to fraction form
   2,190.38/4,098.52 = 4,098.52/x
3. Step 3: Cross multiply
   2,190.38x = 4,098.52 × 4,098.52
4. Step 4: Simplify right side
   2,190.38x = 16,797,830.33
5. Step 5: Solve for x
   x = 16,797,830.33/2,190.38
6. Step 6: Final answer
   x = 7,668.93