Finding the Third Proportional to 10,111 and 21,801

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111 : 21,801 = 21,801 : x
2. Step 2: Convert to fraction form
   10,111/21,801 = 21,801/x
3. Step 3: Cross multiply
   10,111x = 21,801 × 21,801
4. Step 4: Simplify right side
   10,111x = 475,283,601
5. Step 5: Solve for x
   x = 475,283,601/10,111
6. Step 6: Final answer
   x = 47,006.59