Finding the Third Proportional to 203,912 and 479,772

Step by Step Solution

1. Step 1: Write the proportion equation
   203,912 : 479,772 = 479,772 : x
2. Step 2: Convert to fraction form
   203,912/479,772 = 479,772/x
3. Step 3: Cross multiply
   203,912x = 479,772 × 479,772
4. Step 4: Simplify right side
   203,912x = 230,181,171,984
5. Step 5: Solve for x
   x = 230,181,171,984/203,912
6. Step 6: Final answer
   x = 1,128,826.02