Finding the Third Proportional to 21,830 and 33,371

Step by Step Solution

1. Step 1: Write the proportion equation
   21,830 : 33,371 = 33,371 : x
2. Step 2: Convert to fraction form
   21,830/33,371 = 33,371/x
3. Step 3: Cross multiply
   21,830x = 33,371 × 33,371
4. Step 4: Simplify right side
   21,830x = 1,113,623,641
5. Step 5: Solve for x
   x = 1,113,623,641/21,830
6. Step 6: Final answer
   x = 51,013.45