Finding the Third Proportional to 21,909 and 33,066

Step by Step Solution

1. Step 1: Write the proportion equation
   21,909 : 33,066 = 33,066 : x
2. Step 2: Convert to fraction form
   21,909/33,066 = 33,066/x
3. Step 3: Cross multiply
   21,909x = 33,066 × 33,066
4. Step 4: Simplify right side
   21,909x = 1,093,360,356
5. Step 5: Solve for x
   x = 1,093,360,356/21,909
6. Step 6: Final answer
   x = 49,904.62