Finding the Third Proportional to 2,103 and 2,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103 : 2,791.50 = 2,791.50 : x
2. Step 2: Convert to fraction form
   2,103/2,791.50 = 2,791.50/x
3. Step 3: Cross multiply
   2,103x = 2,791.50 × 2,791.50
4. Step 4: Simplify right side
   2,103x = 7,792,472.25
5. Step 5: Solve for x
   x = 7,792,472.25/2,103
6. Step 6: Final answer
   x = 3,705.41