Finding the Third Proportional to 16,220.25 and 33,243.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,220.25 : 33,243.75 = 33,243.75 : x
2. Step 2: Convert to fraction form
   16,220.25/33,243.75 = 33,243.75/x
3. Step 3: Cross multiply
   16,220.25x = 33,243.75 × 33,243.75
4. Step 4: Simplify right side
   16,220.25x = 1,105,146,914.06
5. Step 5: Solve for x
   x = 1,105,146,914.06/16,220.25
6. Step 6: Final answer
   x = 68,133.78