Finding the Third Proportional to 21,912 and 33,898

Step by Step Solution

1. Step 1: Write the proportion equation
   21,912 : 33,898 = 33,898 : x
2. Step 2: Convert to fraction form
   21,912/33,898 = 33,898/x
3. Step 3: Cross multiply
   21,912x = 33,898 × 33,898
4. Step 4: Simplify right side
   21,912x = 1,149,074,404
5. Step 5: Solve for x
   x = 1,149,074,404/21,912
6. Step 6: Final answer
   x = 52,440.42