Finding the Third Proportional to 21,817.27 and 33,360.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,817.27 : 33,360.40 = 33,360.40 : x
2. Step 2: Convert to fraction form
   21,817.27/33,360.40 = 33,360.40/x
3. Step 3: Cross multiply
   21,817.27x = 33,360.40 × 33,360.40
4. Step 4: Simplify right side
   21,817.27x = 1,112,916,183.91
5. Step 5: Solve for x
   x = 1,112,916,183.91/21,817.27
6. Step 6: Final answer
   x = 51,010.80