Finding the Third Proportional to 2,485.69 and 2,755.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.69 : 2,755.69 = 2,755.69 : x
2. Step 2: Convert to fraction form
   2,485.69/2,755.69 = 2,755.69/x
3. Step 3: Cross multiply
   2,485.69x = 2,755.69 × 2,755.69
4. Step 4: Simplify right side
   2,485.69x = 7,593,813.60
5. Step 5: Solve for x
   x = 7,593,813.60/2,485.69
6. Step 6: Final answer
   x = 3,055.02