Finding the Third Proportional to 147,451 and 222,398

Step by Step Solution

1. Step 1: Write the proportion equation
   147,451 : 222,398 = 222,398 : x
2. Step 2: Convert to fraction form
   147,451/222,398 = 222,398/x
3. Step 3: Cross multiply
   147,451x = 222,398 × 222,398
4. Step 4: Simplify right side
   147,451x = 49,460,870,404
5. Step 5: Solve for x
   x = 49,460,870,404/147,451
6. Step 6: Final answer
   x = 335,439.37