Finding the Third Proportional to 199,173 and 298,976

Step by Step Solution

1. Step 1: Write the proportion equation
   199,173 : 298,976 = 298,976 : x
2. Step 2: Convert to fraction form
   199,173/298,976 = 298,976/x
3. Step 3: Cross multiply
   199,173x = 298,976 × 298,976
4. Step 4: Simplify right side
   199,173x = 89,386,648,576
5. Step 5: Solve for x
   x = 89,386,648,576/199,173
6. Step 6: Final answer
   x = 448,788.99