Finding the Third Proportional to 1,682,396 and 3,648,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,396 : 3,648,736 = 3,648,736 : x
2. Step 2: Convert to fraction form
   1,682,396/3,648,736 = 3,648,736/x
3. Step 3: Cross multiply
   1,682,396x = 3,648,736 × 3,648,736
4. Step 4: Simplify right side
   1,682,396x = 13,313,274,397,696
5. Step 5: Solve for x
   x = 13,313,274,397,696/1,682,396
6. Step 6: Final answer
   x = 7,913,282.25