Finding the Third Proportional to 1,279.69 and 1,877.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279.69 : 1,877.25 = 1,877.25 : x
2. Step 2: Convert to fraction form
   1,279.69/1,877.25 = 1,877.25/x
3. Step 3: Cross multiply
   1,279.69x = 1,877.25 × 1,877.25
4. Step 4: Simplify right side
   1,279.69x = 3,524,067.56
5. Step 5: Solve for x
   x = 3,524,067.56/1,279.69
6. Step 6: Final answer
   x = 2,753.85