Finding the Third Proportional to 151,120 and 222,498

Step by Step Solution

1. Step 1: Write the proportion equation
   151,120 : 222,498 = 222,498 : x
2. Step 2: Convert to fraction form
   151,120/222,498 = 222,498/x
3. Step 3: Cross multiply
   151,120x = 222,498 × 222,498
4. Step 4: Simplify right side
   151,120x = 49,505,360,004
5. Step 5: Solve for x
   x = 49,505,360,004/151,120
6. Step 6: Final answer
   x = 327,589.73