Finding the Third Proportional to 13,752 and 21,449

Step by Step Solution

1. Step 1: Write the proportion equation
   13,752 : 21,449 = 21,449 : x
2. Step 2: Convert to fraction form
   13,752/21,449 = 21,449/x
3. Step 3: Cross multiply
   13,752x = 21,449 × 21,449
4. Step 4: Simplify right side
   13,752x = 460,059,601
5. Step 5: Solve for x
   x = 460,059,601/13,752
6. Step 6: Final answer
   x = 33,454.01