Finding the Third Proportional to 199,012 and 308,022

Step by Step Solution

1. Step 1: Write the proportion equation
   199,012 : 308,022 = 308,022 : x
2. Step 2: Convert to fraction form
   199,012/308,022 = 308,022/x
3. Step 3: Cross multiply
   199,012x = 308,022 × 308,022
4. Step 4: Simplify right side
   199,012x = 94,877,552,484
5. Step 5: Solve for x
   x = 94,877,552,484/199,012
6. Step 6: Final answer
   x = 476,742.87