Finding the Third Proportional to 2,863.69 and 5,910.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.69 : 5,910.19 = 5,910.19 : x
2. Step 2: Convert to fraction form
   2,863.69/5,910.19 = 5,910.19/x
3. Step 3: Cross multiply
   2,863.69x = 5,910.19 × 5,910.19
4. Step 4: Simplify right side
   2,863.69x = 34,930,316.29
5. Step 5: Solve for x
   x = 34,930,316.29/2,863.69
6. Step 6: Final answer
   x = 12,197.67