Finding the Third Proportional to 1,718,898 and 3,642,698

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,898 : 3,642,698 = 3,642,698 : x
2. Step 2: Convert to fraction form
   1,718,898/3,642,698 = 3,642,698/x
3. Step 3: Cross multiply
   1,718,898x = 3,642,698 × 3,642,698
4. Step 4: Simplify right side
   1,718,898x = 13,269,248,719,204
5. Step 5: Solve for x
   x = 13,269,248,719,204/1,718,898
6. Step 6: Final answer
   x = 7,719,625.43