Finding the Third Proportional to 13,724 and 21,936

Step by Step Solution

1. Step 1: Write the proportion equation
   13,724 : 21,936 = 21,936 : x
2. Step 2: Convert to fraction form
   13,724/21,936 = 21,936/x
3. Step 3: Cross multiply
   13,724x = 21,936 × 21,936
4. Step 4: Simplify right side
   13,724x = 481,188,096
5. Step 5: Solve for x
   x = 481,188,096/13,724
6. Step 6: Final answer
   x = 35,061.80