Finding the Third Proportional to 1,682,880 and 3,670,355

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,880 : 3,670,355 = 3,670,355 : x
2. Step 2: Convert to fraction form
   1,682,880/3,670,355 = 3,670,355/x
3. Step 3: Cross multiply
   1,682,880x = 3,670,355 × 3,670,355
4. Step 4: Simplify right side
   1,682,880x = 13,471,505,826,025
5. Step 5: Solve for x
   x = 13,471,505,826,025/1,682,880
6. Step 6: Final answer
   x = 8,005,030.56