Finding the Third Proportional to 5,468.75 and 8,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,468.75 : 8,208.50 = 8,208.50 : x
2. Step 2: Convert to fraction form
   5,468.75/8,208.50 = 8,208.50/x
3. Step 3: Cross multiply
   5,468.75x = 8,208.50 × 8,208.50
4. Step 4: Simplify right side
   5,468.75x = 67,379,472.25
5. Step 5: Solve for x
   x = 67,379,472.25/5,468.75
6. Step 6: Final answer
   x = 12,320.82