Finding the Third Proportional to 1,718,936 and 3,642,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,936 : 3,642,772 = 3,642,772 : x
2. Step 2: Convert to fraction form
   1,718,936/3,642,772 = 3,642,772/x
3. Step 3: Cross multiply
   1,718,936x = 3,642,772 × 3,642,772
4. Step 4: Simplify right side
   1,718,936x = 13,269,787,843,984
5. Step 5: Solve for x
   x = 13,269,787,843,984/1,718,936
6. Step 6: Final answer
   x = 7,719,768.42