Finding the Third Proportional to 1,620,567 and 3,526,821

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,567 : 3,526,821 = 3,526,821 : x
2. Step 2: Convert to fraction form
   1,620,567/3,526,821 = 3,526,821/x
3. Step 3: Cross multiply
   1,620,567x = 3,526,821 × 3,526,821
4. Step 4: Simplify right side
   1,620,567x = 12,438,466,366,041
5. Step 5: Solve for x
   x = 12,438,466,366,041/1,620,567
6. Step 6: Final answer
   x = 7,675,379.28