Finding the Third Proportional to 21,348 and 33,490

Step by Step Solution

1. Step 1: Write the proportion equation
   21,348 : 33,490 = 33,490 : x
2. Step 2: Convert to fraction form
   21,348/33,490 = 33,490/x
3. Step 3: Cross multiply
   21,348x = 33,490 × 33,490
4. Step 4: Simplify right side
   21,348x = 1,121,580,100
5. Step 5: Solve for x
   x = 1,121,580,100/21,348
6. Step 6: Final answer
   x = 52,537.95