Finding the Third Proportional to 2,390.06 and 3,219.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.06 : 3,219.75 = 3,219.75 : x
2. Step 2: Convert to fraction form
   2,390.06/3,219.75 = 3,219.75/x
3. Step 3: Cross multiply
   2,390.06x = 3,219.75 × 3,219.75
4. Step 4: Simplify right side
   2,390.06x = 10,366,790.06
5. Step 5: Solve for x
   x = 10,366,790.06/2,390.06
6. Step 6: Final answer
   x = 4,337.46