Finding the Third Proportional to 2,641.50 and 5,715

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.50 : 5,715 = 5,715 : x
2. Step 2: Convert to fraction form
   2,641.50/5,715 = 5,715/x
3. Step 3: Cross multiply
   2,641.50x = 5,715 × 5,715
4. Step 4: Simplify right side
   2,641.50x = 32,661,225
5. Step 5: Solve for x
   x = 32,661,225/2,641.50
6. Step 6: Final answer
   x = 12,364.65