Finding the Third Proportional to 21,396 and 33,610

Step by Step Solution

1. Step 1: Write the proportion equation
   21,396 : 33,610 = 33,610 : x
2. Step 2: Convert to fraction form
   21,396/33,610 = 33,610/x
3. Step 3: Cross multiply
   21,396x = 33,610 × 33,610
4. Step 4: Simplify right side
   21,396x = 1,129,632,100
5. Step 5: Solve for x
   x = 1,129,632,100/21,396
6. Step 6: Final answer
   x = 52,796.42