Finding the Third Proportional to 227,990 and 492,268

Step by Step Solution

1. Step 1: Write the proportion equation
   227,990 : 492,268 = 492,268 : x
2. Step 2: Convert to fraction form
   227,990/492,268 = 492,268/x
3. Step 3: Cross multiply
   227,990x = 492,268 × 492,268
4. Step 4: Simplify right side
   227,990x = 242,327,783,824
5. Step 5: Solve for x
   x = 242,327,783,824/227,990
6. Step 6: Final answer
   x = 1,062,887.78