Finding the Third Proportional to 21,942 and 34,260

Step by Step Solution

1. Step 1: Write the proportion equation
   21,942 : 34,260 = 34,260 : x
2. Step 2: Convert to fraction form
   21,942/34,260 = 34,260/x
3. Step 3: Cross multiply
   21,942x = 34,260 × 34,260
4. Step 4: Simplify right side
   21,942x = 1,173,747,600
5. Step 5: Solve for x
   x = 1,173,747,600/21,942
6. Step 6: Final answer
   x = 53,493.19