Finding the Third Proportional to 1,718,928 and 3,642,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,928 : 3,642,756 = 3,642,756 : x
2. Step 2: Convert to fraction form
   1,718,928/3,642,756 = 3,642,756/x
3. Step 3: Cross multiply
   1,718,928x = 3,642,756 × 3,642,756
4. Step 4: Simplify right side
   1,718,928x = 13,269,671,275,536
5. Step 5: Solve for x
   x = 13,269,671,275,536/1,718,928
6. Step 6: Final answer
   x = 7,719,736.53