Finding the Third Proportional to 1,279.88 and 2,247.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279.88 : 2,247.38 = 2,247.38 : x
2. Step 2: Convert to fraction form
   1,279.88/2,247.38 = 2,247.38/x
3. Step 3: Cross multiply
   1,279.88x = 2,247.38 × 2,247.38
4. Step 4: Simplify right side
   1,279.88x = 5,050,694.39
5. Step 5: Solve for x
   x = 5,050,694.39/1,279.88
6. Step 6: Final answer
   x = 3,946.24