Finding the Third Proportional to 158,960 and 222,798

Step by Step Solution

1. Step 1: Write the proportion equation
   158,960 : 222,798 = 222,798 : x
2. Step 2: Convert to fraction form
   158,960/222,798 = 222,798/x
3. Step 3: Cross multiply
   158,960x = 222,798 × 222,798
4. Step 4: Simplify right side
   158,960x = 49,638,948,804
5. Step 5: Solve for x
   x = 49,638,948,804/158,960
6. Step 6: Final answer
   x = 312,273.21