Finding the Third Proportional to 21,132 and 43,452

Step by Step Solution

1. Step 1: Write the proportion equation
   21,132 : 43,452 = 43,452 : x
2. Step 2: Convert to fraction form
   21,132/43,452 = 43,452/x
3. Step 3: Cross multiply
   21,132x = 43,452 × 43,452
4. Step 4: Simplify right side
   21,132x = 1,888,076,304
5. Step 5: Solve for x
   x = 1,888,076,304/21,132
6. Step 6: Final answer
   x = 89,346.79