Finding the Third Proportional to 1,286.50 and 1,838

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286.50 : 1,838 = 1,838 : x
2. Step 2: Convert to fraction form
   1,286.50/1,838 = 1,838/x
3. Step 3: Cross multiply
   1,286.50x = 1,838 × 1,838
4. Step 4: Simplify right side
   1,286.50x = 3,378,244
5. Step 5: Solve for x
   x = 3,378,244/1,286.50
6. Step 6: Final answer
   x = 2,625.92