Finding the Third Proportional to 1,939.50 and 2,819.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.50 : 2,819.25 = 2,819.25 : x
2. Step 2: Convert to fraction form
   1,939.50/2,819.25 = 2,819.25/x
3. Step 3: Cross multiply
   1,939.50x = 2,819.25 × 2,819.25
4. Step 4: Simplify right side
   1,939.50x = 7,948,170.56
5. Step 5: Solve for x
   x = 7,948,170.56/1,939.50
6. Step 6: Final answer
   x = 4,098.05