Finding the Third Proportional to 1,308.66 and 2,759.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.66 : 2,759.06 = 2,759.06 : x
2. Step 2: Convert to fraction form
   1,308.66/2,759.06 = 2,759.06/x
3. Step 3: Cross multiply
   1,308.66x = 2,759.06 × 2,759.06
4. Step 4: Simplify right side
   1,308.66x = 7,612,425.88
5. Step 5: Solve for x
   x = 7,612,425.88/1,308.66
6. Step 6: Final answer
   x = 5,816.98