Finding the Third Proportional to 158,976 and 336,906

Step by Step Solution

1. Step 1: Write the proportion equation
   158,976 : 336,906 = 336,906 : x
2. Step 2: Convert to fraction form
   158,976/336,906 = 336,906/x
3. Step 3: Cross multiply
   158,976x = 336,906 × 336,906
4. Step 4: Simplify right side
   158,976x = 113,505,652,836
5. Step 5: Solve for x
   x = 113,505,652,836/158,976
6. Step 6: Final answer
   x = 713,979.80