Finding the Third Proportional to 199,314 and 298,422

Step by Step Solution

1. Step 1: Write the proportion equation
   199,314 : 298,422 = 298,422 : x
2. Step 2: Convert to fraction form
   199,314/298,422 = 298,422/x
3. Step 3: Cross multiply
   199,314x = 298,422 × 298,422
4. Step 4: Simplify right side
   199,314x = 89,055,690,084
5. Step 5: Solve for x
   x = 89,055,690,084/199,314
6. Step 6: Final answer
   x = 446,811.01