Finding the Third Proportional to 478,740 and 1,036,728

Step by Step Solution

1. Step 1: Write the proportion equation
   478,740 : 1,036,728 = 1,036,728 : x
2. Step 2: Convert to fraction form
   478,740/1,036,728 = 1,036,728/x
3. Step 3: Cross multiply
   478,740x = 1,036,728 × 1,036,728
4. Step 4: Simplify right side
   478,740x = 1,074,804,945,984
5. Step 5: Solve for x
   x = 1,074,804,945,984/478,740
6. Step 6: Final answer
   x = 2,245,070.28