Finding the Third Proportional to 21,628 and 33,398

Step by Step Solution

1. Step 1: Write the proportion equation
   21,628 : 33,398 = 33,398 : x
2. Step 2: Convert to fraction form
   21,628/33,398 = 33,398/x
3. Step 3: Cross multiply
   21,628x = 33,398 × 33,398
4. Step 4: Simplify right side
   21,628x = 1,115,426,404
5. Step 5: Solve for x
   x = 1,115,426,404/21,628
6. Step 6: Final answer
   x = 51,573.26