Finding the Third Proportional to 21,379 and 33,185

Step by Step Solution

1. Step 1: Write the proportion equation
   21,379 : 33,185 = 33,185 : x
2. Step 2: Convert to fraction form
   21,379/33,185 = 33,185/x
3. Step 3: Cross multiply
   21,379x = 33,185 × 33,185
4. Step 4: Simplify right side
   21,379x = 1,101,244,225
5. Step 5: Solve for x
   x = 1,101,244,225/21,379
6. Step 6: Final answer
   x = 51,510.56