Finding the Third Proportional to 21,284 and 34,294

Step by Step Solution

1. Step 1: Write the proportion equation
   21,284 : 34,294 = 34,294 : x
2. Step 2: Convert to fraction form
   21,284/34,294 = 34,294/x
3. Step 3: Cross multiply
   21,284x = 34,294 × 34,294
4. Step 4: Simplify right side
   21,284x = 1,176,078,436
5. Step 5: Solve for x
   x = 1,176,078,436/21,284
6. Step 6: Final answer
   x = 55,256.46