Finding the Third Proportional to 72,918 and 159,012

Step by Step Solution

1. Step 1: Write the proportion equation
   72,918 : 159,012 = 159,012 : x
2. Step 2: Convert to fraction form
   72,918/159,012 = 159,012/x
3. Step 3: Cross multiply
   72,918x = 159,012 × 159,012
4. Step 4: Simplify right side
   72,918x = 25,284,816,144
5. Step 5: Solve for x
   x = 25,284,816,144/72,918
6. Step 6: Final answer
   x = 346,756.85