Finding the Third Proportional to 685,636 and 1,476,634

Step by Step Solution

1. Step 1: Write the proportion equation
   685,636 : 1,476,634 = 1,476,634 : x
2. Step 2: Convert to fraction form
   685,636/1,476,634 = 1,476,634/x
3. Step 3: Cross multiply
   685,636x = 1,476,634 × 1,476,634
4. Step 4: Simplify right side
   685,636x = 2,180,447,969,956
5. Step 5: Solve for x
   x = 2,180,447,969,956/685,636
6. Step 6: Final answer
   x = 3,180,183.03