Finding the Third Proportional to 1,620,569 and 3,526,825

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,569 : 3,526,825 = 3,526,825 : x
2. Step 2: Convert to fraction form
   1,620,569/3,526,825 = 3,526,825/x
3. Step 3: Cross multiply
   1,620,569x = 3,526,825 × 3,526,825
4. Step 4: Simplify right side
   1,620,569x = 12,438,494,580,625
5. Step 5: Solve for x
   x = 12,438,494,580,625/1,620,569
6. Step 6: Final answer
   x = 7,675,387.21