Finding the Third Proportional to 1,718,908 and 3,642,719

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,908 : 3,642,719 = 3,642,719 : x
2. Step 2: Convert to fraction form
   1,718,908/3,642,719 = 3,642,719/x
3. Step 3: Cross multiply
   1,718,908x = 3,642,719 × 3,642,719
4. Step 4: Simplify right side
   1,718,908x = 13,269,401,712,961
5. Step 5: Solve for x
   x = 13,269,401,712,961/1,718,908
6. Step 6: Final answer
   x = 7,719,669.53