Finding the Third Proportional to 159,278 and 333,892

Step by Step Solution

1. Step 1: Write the proportion equation
   159,278 : 333,892 = 333,892 : x
2. Step 2: Convert to fraction form
   159,278/333,892 = 333,892/x
3. Step 3: Cross multiply
   159,278x = 333,892 × 333,892
4. Step 4: Simplify right side
   159,278x = 111,483,867,664
5. Step 5: Solve for x
   x = 111,483,867,664/159,278
6. Step 6: Final answer
   x = 699,932.62