Finding the Third Proportional to 74,568 and 111,912

Step by Step Solution

1. Step 1: Write the proportion equation
   74,568 : 111,912 = 111,912 : x
2. Step 2: Convert to fraction form
   74,568/111,912 = 111,912/x
3. Step 3: Cross multiply
   74,568x = 111,912 × 111,912
4. Step 4: Simplify right side
   74,568x = 12,524,295,744
5. Step 5: Solve for x
   x = 12,524,295,744/74,568
6. Step 6: Final answer
   x = 167,958.05