Finding the Third Proportional to 21,912 and 33,300

Step by Step Solution

1. Step 1: Write the proportion equation
   21,912 : 33,300 = 33,300 : x
2. Step 2: Convert to fraction form
   21,912/33,300 = 33,300/x
3. Step 3: Cross multiply
   21,912x = 33,300 × 33,300
4. Step 4: Simplify right side
   21,912x = 1,108,890,000
5. Step 5: Solve for x
   x = 1,108,890,000/21,912
6. Step 6: Final answer
   x = 50,606.52