Finding the Third Proportional to 2,665 and 5,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665 : 5,755.50 = 5,755.50 : x
2. Step 2: Convert to fraction form
   2,665/5,755.50 = 5,755.50/x
3. Step 3: Cross multiply
   2,665x = 5,755.50 × 5,755.50
4. Step 4: Simplify right side
   2,665x = 33,125,780.25
5. Step 5: Solve for x
   x = 33,125,780.25/2,665
6. Step 6: Final answer
   x = 12,429.94