Finding the Third Proportional to 13,164 and 21,048

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164 : 21,048 = 21,048 : x
2. Step 2: Convert to fraction form
   13,164/21,048 = 21,048/x
3. Step 3: Cross multiply
   13,164x = 21,048 × 21,048
4. Step 4: Simplify right side
   13,164x = 443,018,304
5. Step 5: Solve for x
   x = 443,018,304/13,164
6. Step 6: Final answer
   x = 33,653.78