Finding the Third Proportional to 21,816 and 33,858

Step by Step Solution

1. Step 1: Write the proportion equation
   21,816 : 33,858 = 33,858 : x
2. Step 2: Convert to fraction form
   21,816/33,858 = 33,858/x
3. Step 3: Cross multiply
   21,816x = 33,858 × 33,858
4. Step 4: Simplify right side
   21,816x = 1,146,364,164
5. Step 5: Solve for x
   x = 1,146,364,164/21,816
6. Step 6: Final answer
   x = 52,546.95