Finding the Third Proportional to 103,920 and 151,992

Step by Step Solution

1. Step 1: Write the proportion equation
   103,920 : 151,992 = 151,992 : x
2. Step 2: Convert to fraction form
   103,920/151,992 = 151,992/x
3. Step 3: Cross multiply
   103,920x = 151,992 × 151,992
4. Step 4: Simplify right side
   103,920x = 23,101,568,064
5. Step 5: Solve for x
   x = 23,101,568,064/103,920
6. Step 6: Final answer
   x = 222,301.46