Finding the Third Proportional to 21,910 and 33,887

Step by Step Solution

1. Step 1: Write the proportion equation
   21,910 : 33,887 = 33,887 : x
2. Step 2: Convert to fraction form
   21,910/33,887 = 33,887/x
3. Step 3: Cross multiply
   21,910x = 33,887 × 33,887
4. Step 4: Simplify right side
   21,910x = 1,148,328,769
5. Step 5: Solve for x
   x = 1,148,328,769/21,910
6. Step 6: Final answer
   x = 52,411.17