Finding the Third Proportional to 33,382.50 and 67,687

Step by Step Solution

1. Step 1: Write the proportion equation
   33,382.50 : 67,687 = 67,687 : x
2. Step 2: Convert to fraction form
   33,382.50/67,687 = 67,687/x
3. Step 3: Cross multiply
   33,382.50x = 67,687 × 67,687
4. Step 4: Simplify right side
   33,382.50x = 4,581,529,969
5. Step 5: Solve for x
   x = 4,581,529,969/33,382.50
6. Step 6: Final answer
   x = 137,243.46