Finding the Third Proportional to 11,724 and 28,018

Step by Step Solution

1. Step 1: Write the proportion equation
   11,724 : 28,018 = 28,018 : x
2. Step 2: Convert to fraction form
   11,724/28,018 = 28,018/x
3. Step 3: Cross multiply
   11,724x = 28,018 × 28,018
4. Step 4: Simplify right side
   11,724x = 785,008,324
5. Step 5: Solve for x
   x = 785,008,324/11,724
6. Step 6: Final answer
   x = 66,957.38