Finding the Third Proportional to 21,942 and 34,647

Step by Step Solution

1. Step 1: Write the proportion equation
   21,942 : 34,647 = 34,647 : x
2. Step 2: Convert to fraction form
   21,942/34,647 = 34,647/x
3. Step 3: Cross multiply
   21,942x = 34,647 × 34,647
4. Step 4: Simplify right side
   21,942x = 1,200,414,609
5. Step 5: Solve for x
   x = 1,200,414,609/21,942
6. Step 6: Final answer
   x = 54,708.53