Finding the Third Proportional to 67,152.75 and 143,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,152.75 : 143,524.50 = 143,524.50 : x
2. Step 2: Convert to fraction form
   67,152.75/143,524.50 = 143,524.50/x
3. Step 3: Cross multiply
   67,152.75x = 143,524.50 × 143,524.50
4. Step 4: Simplify right side
   67,152.75x = 20,599,282,100.25
5. Step 5: Solve for x
   x = 20,599,282,100.25/67,152.75
6. Step 6: Final answer
   x = 306,752.62