Finding the Third Proportional to 2,447.67 and 5,174.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.67 : 5,174.39 = 5,174.39 : x
2. Step 2: Convert to fraction form
   2,447.67/5,174.39 = 5,174.39/x
3. Step 3: Cross multiply
   2,447.67x = 5,174.39 × 5,174.39
4. Step 4: Simplify right side
   2,447.67x = 26,774,318.34
5. Step 5: Solve for x
   x = 26,774,318.34/2,447.67
6. Step 6: Final answer
   x = 10,938.69