Finding the Third Proportional to 6,847.88 and 10,279.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,847.88 : 10,279.69 = 10,279.69 : x
2. Step 2: Convert to fraction form
   6,847.88/10,279.69 = 10,279.69/x
3. Step 3: Cross multiply
   6,847.88x = 10,279.69 × 10,279.69
4. Step 4: Simplify right side
   6,847.88x = 105,671,975.10
5. Step 5: Solve for x
   x = 105,671,975.10/6,847.88
6. Step 6: Final answer
   x = 15,431.35