Finding the Third Proportional to 1,682,486 and 3,669,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,486 : 3,669,485 = 3,669,485 : x
2. Step 2: Convert to fraction form
   1,682,486/3,669,485 = 3,669,485/x
3. Step 3: Cross multiply
   1,682,486x = 3,669,485 × 3,669,485
4. Step 4: Simplify right side
   1,682,486x = 13,465,120,165,225
5. Step 5: Solve for x
   x = 13,465,120,165,225/1,682,486
6. Step 6: Final answer
   x = 8,003,109.78