Finding the Third Proportional to 1,686,804 and 3,673,104

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,804 : 3,673,104 = 3,673,104 : x
2. Step 2: Convert to fraction form
   1,686,804/3,673,104 = 3,673,104/x
3. Step 3: Cross multiply
   1,686,804x = 3,673,104 × 3,673,104
4. Step 4: Simplify right side
   1,686,804x = 13,491,692,994,816
5. Step 5: Solve for x
   x = 13,491,692,994,816/1,686,804
6. Step 6: Final answer
   x = 7,998,376.22