Finding the Third Proportional to 1,618,467 and 3,284,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,467 : 3,284,778 = 3,284,778 : x
2. Step 2: Convert to fraction form
   1,618,467/3,284,778 = 3,284,778/x
3. Step 3: Cross multiply
   1,618,467x = 3,284,778 × 3,284,778
4. Step 4: Simplify right side
   1,618,467x = 10,789,766,509,284
5. Step 5: Solve for x
   x = 10,789,766,509,284/1,618,467
6. Step 6: Final answer
   x = 6,666,658.33