Finding the Third Proportional to 67,057.50 and 143,850

Step by Step Solution

1. Step 1: Write the proportion equation
   67,057.50 : 143,850 = 143,850 : x
2. Step 2: Convert to fraction form
   67,057.50/143,850 = 143,850/x
3. Step 3: Cross multiply
   67,057.50x = 143,850 × 143,850
4. Step 4: Simplify right side
   67,057.50x = 20,692,822,500
5. Step 5: Solve for x
   x = 20,692,822,500/67,057.50
6. Step 6: Final answer
   x = 308,583.27