Finding the Third Proportional to 1,395.56 and 2,751.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.56 : 2,751.75 = 2,751.75 : x
2. Step 2: Convert to fraction form
   1,395.56/2,751.75 = 2,751.75/x
3. Step 3: Cross multiply
   1,395.56x = 2,751.75 × 2,751.75
4. Step 4: Simplify right side
   1,395.56x = 7,572,128.06
5. Step 5: Solve for x
   x = 7,572,128.06/1,395.56
6. Step 6: Final answer
   x = 5,425.86