Finding the Third Proportional to 13,653 and 21,852

Step by Step Solution

1. Step 1: Write the proportion equation
   13,653 : 21,852 = 21,852 : x
2. Step 2: Convert to fraction form
   13,653/21,852 = 21,852/x
3. Step 3: Cross multiply
   13,653x = 21,852 × 21,852
4. Step 4: Simplify right side
   13,653x = 477,509,904
5. Step 5: Solve for x
   x = 477,509,904/13,653
6. Step 6: Final answer
   x = 34,974.72