Finding the Third Proportional to 67,518 and 147,996

Step by Step Solution

1. Step 1: Write the proportion equation
   67,518 : 147,996 = 147,996 : x
2. Step 2: Convert to fraction form
   67,518/147,996 = 147,996/x
3. Step 3: Cross multiply
   67,518x = 147,996 × 147,996
4. Step 4: Simplify right side
   67,518x = 21,902,816,016
5. Step 5: Solve for x
   x = 21,902,816,016/67,518
6. Step 6: Final answer
   x = 324,399.66