Finding the Third Proportional to 1,616,969 and 3,520,804

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616,969 : 3,520,804 = 3,520,804 : x
2. Step 2: Convert to fraction form
   1,616,969/3,520,804 = 3,520,804/x
3. Step 3: Cross multiply
   1,616,969x = 3,520,804 × 3,520,804
4. Step 4: Simplify right side
   1,616,969x = 12,396,060,806,416
5. Step 5: Solve for x
   x = 12,396,060,806,416/1,616,969
6. Step 6: Final answer
   x = 7,666,232.81