Finding the Third Proportional to 151,778 and 222,746

Step by Step Solution

1. Step 1: Write the proportion equation
   151,778 : 222,746 = 222,746 : x
2. Step 2: Convert to fraction form
   151,778/222,746 = 222,746/x
3. Step 3: Cross multiply
   151,778x = 222,746 × 222,746
4. Step 4: Simplify right side
   151,778x = 49,615,780,516
5. Step 5: Solve for x
   x = 49,615,780,516/151,778
6. Step 6: Final answer
   x = 326,897.05