Finding the Third Proportional to 3,210.75 and 4,359.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,210.75 : 4,359.38 = 4,359.38 : x
2. Step 2: Convert to fraction form
   3,210.75/4,359.38 = 4,359.38/x
3. Step 3: Cross multiply
   3,210.75x = 4,359.38 × 4,359.38
4. Step 4: Simplify right side
   3,210.75x = 19,004,150.39
5. Step 5: Solve for x
   x = 19,004,150.39/3,210.75
6. Step 6: Final answer
   x = 5,918.91