Finding the Third Proportional to 21,308 and 33,357

Step by Step Solution

1. Step 1: Write the proportion equation
   21,308 : 33,357 = 33,357 : x
2. Step 2: Convert to fraction form
   21,308/33,357 = 33,357/x
3. Step 3: Cross multiply
   21,308x = 33,357 × 33,357
4. Step 4: Simplify right side
   21,308x = 1,112,689,449
5. Step 5: Solve for x
   x = 1,112,689,449/21,308
6. Step 6: Final answer
   x = 52,219.33