Finding the Third Proportional to 1,690,330 and 2,617,518

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690,330 : 2,617,518 = 2,617,518 : x
2. Step 2: Convert to fraction form
   1,690,330/2,617,518 = 2,617,518/x
3. Step 3: Cross multiply
   1,690,330x = 2,617,518 × 2,617,518
4. Step 4: Simplify right side
   1,690,330x = 6,851,400,480,324
5. Step 5: Solve for x
   x = 6,851,400,480,324/1,690,330
6. Step 6: Final answer
   x = 4,053,291.65