Finding the Third Proportional to 711.94 and 1,077.38

Step by Step Solution

1. Step 1: Write the proportion equation
   711.94 : 1,077.38 = 1,077.38 : x
2. Step 2: Convert to fraction form
   711.94/1,077.38 = 1,077.38/x
3. Step 3: Cross multiply
   711.94x = 1,077.38 × 1,077.38
4. Step 4: Simplify right side
   711.94x = 1,160,736.89
5. Step 5: Solve for x
   x = 1,160,736.89/711.94
6. Step 6: Final answer
   x = 1,630.39