Finding the Third Proportional to 5,173.50 and 5,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,173.50 : 5,911.50 = 5,911.50 : x
2. Step 2: Convert to fraction form
   5,173.50/5,911.50 = 5,911.50/x
3. Step 3: Cross multiply
   5,173.50x = 5,911.50 × 5,911.50
4. Step 4: Simplify right side
   5,173.50x = 34,945,832.25
5. Step 5: Solve for x
   x = 34,945,832.25/5,173.50
6. Step 6: Final answer
   x = 6,754.78