Finding the Third Proportional to 676,398 and 1,599,618

Step by Step Solution

1. Step 1: Write the proportion equation
   676,398 : 1,599,618 = 1,599,618 : x
2. Step 2: Convert to fraction form
   676,398/1,599,618 = 1,599,618/x
3. Step 3: Cross multiply
   676,398x = 1,599,618 × 1,599,618
4. Step 4: Simplify right side
   676,398x = 2,558,777,745,924
5. Step 5: Solve for x
   x = 2,558,777,745,924/676,398
6. Step 6: Final answer
   x = 3,782,946.94