Finding the Third Proportional to 5,155.50 and 7,103.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155.50 : 7,103.25 = 7,103.25 : x
2. Step 2: Convert to fraction form
   5,155.50/7,103.25 = 7,103.25/x
3. Step 3: Cross multiply
   5,155.50x = 7,103.25 × 7,103.25
4. Step 4: Simplify right side
   5,155.50x = 50,456,160.56
5. Step 5: Solve for x
   x = 50,456,160.56/5,155.50
6. Step 6: Final answer
   x = 9,786.86