Finding the Third Proportional to 21,608 and 34,224

Step by Step Solution

1. Step 1: Write the proportion equation
   21,608 : 34,224 = 34,224 : x
2. Step 2: Convert to fraction form
   21,608/34,224 = 34,224/x
3. Step 3: Cross multiply
   21,608x = 34,224 × 34,224
4. Step 4: Simplify right side
   21,608x = 1,171,282,176
5. Step 5: Solve for x
   x = 1,171,282,176/21,608
6. Step 6: Final answer
   x = 54,205.95