Finding the Third Proportional to 12,240 and 22,018

Step by Step Solution

1. Step 1: Write the proportion equation
   12,240 : 22,018 = 22,018 : x
2. Step 2: Convert to fraction form
   12,240/22,018 = 22,018/x
3. Step 3: Cross multiply
   12,240x = 22,018 × 22,018
4. Step 4: Simplify right side
   12,240x = 484,792,324
5. Step 5: Solve for x
   x = 484,792,324/12,240
6. Step 6: Final answer
   x = 39,607.22