Finding the Third Proportional to 2,806.88 and 4,279.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806.88 : 4,279.69 = 4,279.69 : x
2. Step 2: Convert to fraction form
   2,806.88/4,279.69 = 4,279.69/x
3. Step 3: Cross multiply
   2,806.88x = 4,279.69 × 4,279.69
4. Step 4: Simplify right side
   2,806.88x = 18,315,725.10
5. Step 5: Solve for x
   x = 18,315,725.10/2,806.88
6. Step 6: Final answer
   x = 6,525.31