Finding the Third Proportional to 11,176.31 and 17,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,176.31 : 17,424.56 = 17,424.56 : x
2. Step 2: Convert to fraction form
   11,176.31/17,424.56 = 17,424.56/x
3. Step 3: Cross multiply
   11,176.31x = 17,424.56 × 17,424.56
4. Step 4: Simplify right side
   11,176.31x = 303,615,378.32
5. Step 5: Solve for x
   x = 303,615,378.32/11,176.31
6. Step 6: Final answer
   x = 27,165.97