Finding the Third Proportional to 158,983 and 336,920

Step by Step Solution

1. Step 1: Write the proportion equation
   158,983 : 336,920 = 336,920 : x
2. Step 2: Convert to fraction form
   158,983/336,920 = 336,920/x
3. Step 3: Cross multiply
   158,983x = 336,920 × 336,920
4. Step 4: Simplify right side
   158,983x = 113,515,086,400
5. Step 5: Solve for x
   x = 113,515,086,400/158,983
6. Step 6: Final answer
   x = 714,007.70