Finding the Third Proportional to 1,617,887 and 3,510,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,887 : 3,510,790 = 3,510,790 : x
2. Step 2: Convert to fraction form
   1,617,887/3,510,790 = 3,510,790/x
3. Step 3: Cross multiply
   1,617,887x = 3,510,790 × 3,510,790
4. Step 4: Simplify right side
   1,617,887x = 12,325,646,424,100
5. Step 5: Solve for x
   x = 12,325,646,424,100/1,617,887
6. Step 6: Final answer
   x = 7,618,360.51