Finding the Third Proportional to 72,813 and 159,901

Step by Step Solution

1. Step 1: Write the proportion equation
   72,813 : 159,901 = 159,901 : x
2. Step 2: Convert to fraction form
   72,813/159,901 = 159,901/x
3. Step 3: Cross multiply
   72,813x = 159,901 × 159,901
4. Step 4: Simplify right side
   72,813x = 25,568,329,801
5. Step 5: Solve for x
   x = 25,568,329,801/72,813
6. Step 6: Final answer
   x = 351,150.62