Finding the Third Proportional to 203,908 and 479,812

Step by Step Solution

1. Step 1: Write the proportion equation
   203,908 : 479,812 = 479,812 : x
2. Step 2: Convert to fraction form
   203,908/479,812 = 479,812/x
3. Step 3: Cross multiply
   203,908x = 479,812 × 479,812
4. Step 4: Simplify right side
   203,908x = 230,219,555,344
5. Step 5: Solve for x
   x = 230,219,555,344/203,908
6. Step 6: Final answer
   x = 1,129,036.41