Finding the Third Proportional to 478,690 and 1,036,628

Step by Step Solution

1. Step 1: Write the proportion equation
   478,690 : 1,036,628 = 1,036,628 : x
2. Step 2: Convert to fraction form
   478,690/1,036,628 = 1,036,628/x
3. Step 3: Cross multiply
   478,690x = 1,036,628 × 1,036,628
4. Step 4: Simplify right side
   478,690x = 1,074,597,610,384
5. Step 5: Solve for x
   x = 1,074,597,610,384/478,690
6. Step 6: Final answer
   x = 2,244,871.65