Finding the Third Proportional to 67,852.50 and 144,723

Step by Step Solution

1. Step 1: Write the proportion equation
   67,852.50 : 144,723 = 144,723 : x
2. Step 2: Convert to fraction form
   67,852.50/144,723 = 144,723/x
3. Step 3: Cross multiply
   67,852.50x = 144,723 × 144,723
4. Step 4: Simplify right side
   67,852.50x = 20,944,746,729
5. Step 5: Solve for x
   x = 20,944,746,729/67,852.50
6. Step 6: Final answer
   x = 308,680.55