Finding the Third Proportional to 227,912 and 486,928

Step by Step Solution

1. Step 1: Write the proportion equation
   227,912 : 486,928 = 486,928 : x
2. Step 2: Convert to fraction form
   227,912/486,928 = 486,928/x
3. Step 3: Cross multiply
   227,912x = 486,928 × 486,928
4. Step 4: Simplify right side
   227,912x = 237,098,877,184
5. Step 5: Solve for x
   x = 237,098,877,184/227,912
6. Step 6: Final answer
   x = 1,040,308.88