Finding the Third Proportional to 1,718,894 and 3,642,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,894 : 3,642,690 = 3,642,690 : x
2. Step 2: Convert to fraction form
   1,718,894/3,642,690 = 3,642,690/x
3. Step 3: Cross multiply
   1,718,894x = 3,642,690 × 3,642,690
4. Step 4: Simplify right side
   1,718,894x = 13,269,190,436,100
5. Step 5: Solve for x
   x = 13,269,190,436,100/1,718,894
6. Step 6: Final answer
   x = 7,719,609.49