Finding the Third Proportional to 146,430 and 222,738

Step by Step Solution

1. Step 1: Write the proportion equation
   146,430 : 222,738 = 222,738 : x
2. Step 2: Convert to fraction form
   146,430/222,738 = 222,738/x
3. Step 3: Cross multiply
   146,430x = 222,738 × 222,738
4. Step 4: Simplify right side
   146,430x = 49,612,216,644
5. Step 5: Solve for x
   x = 49,612,216,644/146,430
6. Step 6: Final answer
   x = 338,811.83