Finding the Third Proportional to 1,661.25 and 3,086.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.25 : 3,086.25 = 3,086.25 : x
2. Step 2: Convert to fraction form
   1,661.25/3,086.25 = 3,086.25/x
3. Step 3: Cross multiply
   1,661.25x = 3,086.25 × 3,086.25
4. Step 4: Simplify right side
   1,661.25x = 9,524,939.06
5. Step 5: Solve for x
   x = 9,524,939.06/1,661.25
6. Step 6: Final answer
   x = 5,733.60