Finding the Third Proportional to 159,012 and 222,876

Step by Step Solution

1. Step 1: Write the proportion equation
   159,012 : 222,876 = 222,876 : x
2. Step 2: Convert to fraction form
   159,012/222,876 = 222,876/x
3. Step 3: Cross multiply
   159,012x = 222,876 × 222,876
4. Step 4: Simplify right side
   159,012x = 49,673,711,376
5. Step 5: Solve for x
   x = 49,673,711,376/159,012
6. Step 6: Final answer
   x = 312,389.70