Finding the Third Proportional to 1,279.97 and 2,029.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279.97 : 2,029.43 = 2,029.43 : x
2. Step 2: Convert to fraction form
   1,279.97/2,029.43 = 2,029.43/x
3. Step 3: Cross multiply
   1,279.97x = 2,029.43 × 2,029.43
4. Step 4: Simplify right side
   1,279.97x = 4,118,584.86
5. Step 5: Solve for x
   x = 4,118,584.86/1,279.97
6. Step 6: Final answer
   x = 3,217.72