Finding the Third Proportional to 155,892 and 222,938

Step by Step Solution

1. Step 1: Write the proportion equation
   155,892 : 222,938 = 222,938 : x
2. Step 2: Convert to fraction form
   155,892/222,938 = 222,938/x
3. Step 3: Cross multiply
   155,892x = 222,938 × 222,938
4. Step 4: Simplify right side
   155,892x = 49,701,351,844
5. Step 5: Solve for x
   x = 49,701,351,844/155,892
6. Step 6: Final answer
   x = 318,819.13