Finding the Third Proportional to 21,806 and 33,558

Step by Step Solution

1. Step 1: Write the proportion equation
   21,806 : 33,558 = 33,558 : x
2. Step 2: Convert to fraction form
   21,806/33,558 = 33,558/x
3. Step 3: Cross multiply
   21,806x = 33,558 × 33,558
4. Step 4: Simplify right side
   21,806x = 1,126,139,364
5. Step 5: Solve for x
   x = 1,126,139,364/21,806
6. Step 6: Final answer
   x = 51,643.56