Finding the Third Proportional to 726,858 and 1,697,805

Step by Step Solution

1. Step 1: Write the proportion equation
   726,858 : 1,697,805 = 1,697,805 : x
2. Step 2: Convert to fraction form
   726,858/1,697,805 = 1,697,805/x
3. Step 3: Cross multiply
   726,858x = 1,697,805 × 1,697,805
4. Step 4: Simplify right side
   726,858x = 2,882,541,818,025
5. Step 5: Solve for x
   x = 2,882,541,818,025/726,858
6. Step 6: Final answer
   x = 3,965,756.47