Finding the Third Proportional to 1,682,872 and 3,670,339

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,872 : 3,670,339 = 3,670,339 : x
2. Step 2: Convert to fraction form
   1,682,872/3,670,339 = 3,670,339/x
3. Step 3: Cross multiply
   1,682,872x = 3,670,339 × 3,670,339
4. Step 4: Simplify right side
   1,682,872x = 13,471,388,374,921
5. Step 5: Solve for x
   x = 13,471,388,374,921/1,682,872
6. Step 6: Final answer
   x = 8,004,998.82