Finding the Third Proportional to 10,978 and 17,024

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978 : 17,024 = 17,024 : x
2. Step 2: Convert to fraction form
   10,978/17,024 = 17,024/x
3. Step 3: Cross multiply
   10,978x = 17,024 × 17,024
4. Step 4: Simplify right side
   10,978x = 289,816,576
5. Step 5: Solve for x
   x = 289,816,576/10,978
6. Step 6: Final answer
   x = 26,399.76