Finding the Third Proportional to 579,618 and 1,239,003

Step by Step Solution

1. Step 1: Write the proportion equation
   579,618 : 1,239,003 = 1,239,003 : x
2. Step 2: Convert to fraction form
   579,618/1,239,003 = 1,239,003/x
3. Step 3: Cross multiply
   579,618x = 1,239,003 × 1,239,003
4. Step 4: Simplify right side
   579,618x = 1,535,128,434,009
5. Step 5: Solve for x
   x = 1,535,128,434,009/579,618
6. Step 6: Final answer
   x = 2,648,517.53