Finding the Third Proportional to 7,212.38 and 9,747.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,212.38 : 9,747.56 = 9,747.56 : x
2. Step 2: Convert to fraction form
   7,212.38/9,747.56 = 9,747.56/x
3. Step 3: Cross multiply
   7,212.38x = 9,747.56 × 9,747.56
4. Step 4: Simplify right side
   7,212.38x = 95,014,974.69
5. Step 5: Solve for x
   x = 95,014,974.69/7,212.38
6. Step 6: Final answer
   x = 13,173.88