Finding the Third Proportional to 1,648,217 and 3,422,767

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,217 : 3,422,767 = 3,422,767 : x
2. Step 2: Convert to fraction form
   1,648,217/3,422,767 = 3,422,767/x
3. Step 3: Cross multiply
   1,648,217x = 3,422,767 × 3,422,767
4. Step 4: Simplify right side
   1,648,217x = 11,715,333,936,289
5. Step 5: Solve for x
   x = 11,715,333,936,289/1,648,217
6. Step 6: Final answer
   x = 7,107,883.21