Finding the Third Proportional to 67,054.50 and 143,845

Step by Step Solution

1. Step 1: Write the proportion equation
   67,054.50 : 143,845 = 143,845 : x
2. Step 2: Convert to fraction form
   67,054.50/143,845 = 143,845/x
3. Step 3: Cross multiply
   67,054.50x = 143,845 × 143,845
4. Step 4: Simplify right side
   67,054.50x = 20,691,384,025
5. Step 5: Solve for x
   x = 20,691,384,025/67,054.50
6. Step 6: Final answer
   x = 308,575.62