Finding the Third Proportional to 1,620,569 and 3,476,605

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,569 : 3,476,605 = 3,476,605 : x
2. Step 2: Convert to fraction form
   1,620,569/3,476,605 = 3,476,605/x
3. Step 3: Cross multiply
   1,620,569x = 3,476,605 × 3,476,605
4. Step 4: Simplify right side
   1,620,569x = 12,086,782,326,025
5. Step 5: Solve for x
   x = 12,086,782,326,025/1,620,569
6. Step 6: Final answer
   x = 7,458,357.11