Finding the Third Proportional to 1,682,866 and 3,670,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,866 : 3,670,328 = 3,670,328 : x
2. Step 2: Convert to fraction form
   1,682,866/3,670,328 = 3,670,328/x
3. Step 3: Cross multiply
   1,682,866x = 3,670,328 × 3,670,328
4. Step 4: Simplify right side
   1,682,866x = 13,471,307,627,584
5. Step 5: Solve for x
   x = 13,471,307,627,584/1,682,866
6. Step 6: Final answer
   x = 8,004,979.38