Finding the Third Proportional to 159,022 and 222,890

Step by Step Solution

1. Step 1: Write the proportion equation
   159,022 : 222,890 = 222,890 : x
2. Step 2: Convert to fraction form
   159,022/222,890 = 222,890/x
3. Step 3: Cross multiply
   159,022x = 222,890 × 222,890
4. Step 4: Simplify right side
   159,022x = 49,679,952,100
5. Step 5: Solve for x
   x = 49,679,952,100/159,022
6. Step 6: Final answer
   x = 312,409.30