Finding the Third Proportional to 3,810,408 and 8,144,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,408 : 8,144,856 = 8,144,856 : x
2. Step 2: Convert to fraction form
   3,810,408/8,144,856 = 8,144,856/x
3. Step 3: Cross multiply
   3,810,408x = 8,144,856 × 8,144,856
4. Step 4: Simplify right side
   3,810,408x = 66,338,679,260,736
5. Step 5: Solve for x
   x = 66,338,679,260,736/3,810,408
6. Step 6: Final answer
   x = 17,409,862.48