Finding the Third Proportional to 2,119.69 and 3,118.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.69 : 3,118.25 = 3,118.25 : x
2. Step 2: Convert to fraction form
   2,119.69/3,118.25 = 3,118.25/x
3. Step 3: Cross multiply
   2,119.69x = 3,118.25 × 3,118.25
4. Step 4: Simplify right side
   2,119.69x = 9,723,483.06
5. Step 5: Solve for x
   x = 9,723,483.06/2,119.69
6. Step 6: Final answer
   x = 4,587.22