Finding the Third Proportional to 21,111 and 33,147

Step by Step Solution

1. Step 1: Write the proportion equation
   21,111 : 33,147 = 33,147 : x
2. Step 2: Convert to fraction form
   21,111/33,147 = 33,147/x
3. Step 3: Cross multiply
   21,111x = 33,147 × 33,147
4. Step 4: Simplify right side
   21,111x = 1,098,723,609
5. Step 5: Solve for x
   x = 1,098,723,609/21,111
6. Step 6: Final answer
   x = 52,045.08