Finding the Third Proportional to 1,617,882 and 3,510,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,882 : 3,510,780 = 3,510,780 : x
2. Step 2: Convert to fraction form
   1,617,882/3,510,780 = 3,510,780/x
3. Step 3: Cross multiply
   1,617,882x = 3,510,780 × 3,510,780
4. Step 4: Simplify right side
   1,617,882x = 12,325,576,208,400
5. Step 5: Solve for x
   x = 12,325,576,208,400/1,617,882
6. Step 6: Final answer
   x = 7,618,340.65