Finding the Third Proportional to 199,030 and 298,422

Step by Step Solution

1. Step 1: Write the proportion equation
   199,030 : 298,422 = 298,422 : x
2. Step 2: Convert to fraction form
   199,030/298,422 = 298,422/x
3. Step 3: Cross multiply
   199,030x = 298,422 × 298,422
4. Step 4: Simplify right side
   199,030x = 89,055,690,084
5. Step 5: Solve for x
   x = 89,055,690,084/199,030
6. Step 6: Final answer
   x = 447,448.58