Finding the Third Proportional to 1,068 and 1,155.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068 : 1,155.75 = 1,155.75 : x
2. Step 2: Convert to fraction form
   1,068/1,155.75 = 1,155.75/x
3. Step 3: Cross multiply
   1,068x = 1,155.75 × 1,155.75
4. Step 4: Simplify right side
   1,068x = 1,335,758.06
5. Step 5: Solve for x
   x = 1,335,758.06/1,068
6. Step 6: Final answer
   x = 1,250.71