Finding the Third Proportional to 21,699.75 and 33,818.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,699.75 : 33,818.25 = 33,818.25 : x
2. Step 2: Convert to fraction form
   21,699.75/33,818.25 = 33,818.25/x
3. Step 3: Cross multiply
   21,699.75x = 33,818.25 × 33,818.25
4. Step 4: Simplify right side
   21,699.75x = 1,143,674,033.06
5. Step 5: Solve for x
   x = 1,143,674,033.06/21,699.75
6. Step 6: Final answer
   x = 52,704.48