Finding the Third Proportional to 21,912 and 33,436

Step by Step Solution

1. Step 1: Write the proportion equation
   21,912 : 33,436 = 33,436 : x
2. Step 2: Convert to fraction form
   21,912/33,436 = 33,436/x
3. Step 3: Cross multiply
   21,912x = 33,436 × 33,436
4. Step 4: Simplify right side
   21,912x = 1,117,966,096
5. Step 5: Solve for x
   x = 1,117,966,096/21,912
6. Step 6: Final answer
   x = 51,020.72