Finding the Third Proportional to 1,728,618 and 3,734,205

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,618 : 3,734,205 = 3,734,205 : x
2. Step 2: Convert to fraction form
   1,728,618/3,734,205 = 3,734,205/x
3. Step 3: Cross multiply
   1,728,618x = 3,734,205 × 3,734,205
4. Step 4: Simplify right side
   1,728,618x = 13,944,286,982,025
5. Step 5: Solve for x
   x = 13,944,286,982,025/1,728,618
6. Step 6: Final answer
   x = 8,066,725.55