Finding the Third Proportional to 2,854.50 and 3,819

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.50 : 3,819 = 3,819 : x
2. Step 2: Convert to fraction form
   2,854.50/3,819 = 3,819/x
3. Step 3: Cross multiply
   2,854.50x = 3,819 × 3,819
4. Step 4: Simplify right side
   2,854.50x = 14,584,761
5. Step 5: Solve for x
   x = 14,584,761/2,854.50
6. Step 6: Final answer
   x = 5,109.39