Finding the Third Proportional to 10,908 and 18,018

Step by Step Solution

1. Step 1: Write the proportion equation
   10,908 : 18,018 = 18,018 : x
2. Step 2: Convert to fraction form
   10,908/18,018 = 18,018/x
3. Step 3: Cross multiply
   10,908x = 18,018 × 18,018
4. Step 4: Simplify right side
   10,908x = 324,648,324
5. Step 5: Solve for x
   x = 324,648,324/10,908
6. Step 6: Final answer
   x = 29,762.41