Finding the Third Proportional to 5,280.75 and 7,066.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,280.75 : 7,066.69 = 7,066.69 : x
2. Step 2: Convert to fraction form
   5,280.75/7,066.69 = 7,066.69/x
3. Step 3: Cross multiply
   5,280.75x = 7,066.69 × 7,066.69
4. Step 4: Simplify right side
   5,280.75x = 49,938,072.22
5. Step 5: Solve for x
   x = 49,938,072.22/5,280.75
6. Step 6: Final answer
   x = 9,456.62