Finding the Third Proportional to 5,511.75 and 8,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,511.75 : 8,317.25 = 8,317.25 : x
2. Step 2: Convert to fraction form
   5,511.75/8,317.25 = 8,317.25/x
3. Step 3: Cross multiply
   5,511.75x = 8,317.25 × 8,317.25
4. Step 4: Simplify right side
   5,511.75x = 69,176,647.56
5. Step 5: Solve for x
   x = 69,176,647.56/5,511.75
6. Step 6: Final answer
   x = 12,550.76