Finding the Third Proportional to 21,477 and 33,442

Step by Step Solution

1. Step 1: Write the proportion equation
   21,477 : 33,442 = 33,442 : x
2. Step 2: Convert to fraction form
   21,477/33,442 = 33,442/x
3. Step 3: Cross multiply
   21,477x = 33,442 × 33,442
4. Step 4: Simplify right side
   21,477x = 1,118,367,364
5. Step 5: Solve for x
   x = 1,118,367,364/21,477
6. Step 6: Final answer
   x = 52,072.79