Finding the Third Proportional to 2,119.50 and 4,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.50 : 4,498.50 = 4,498.50 : x
2. Step 2: Convert to fraction form
   2,119.50/4,498.50 = 4,498.50/x
3. Step 3: Cross multiply
   2,119.50x = 4,498.50 × 4,498.50
4. Step 4: Simplify right side
   2,119.50x = 20,236,502.25
5. Step 5: Solve for x
   x = 20,236,502.25/2,119.50
6. Step 6: Final answer
   x = 9,547.77