Finding the Third Proportional to 3,809,412 and 8,135,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809,412 : 8,135,456 = 8,135,456 : x
2. Step 2: Convert to fraction form
   3,809,412/8,135,456 = 8,135,456/x
3. Step 3: Cross multiply
   3,809,412x = 8,135,456 × 8,135,456
4. Step 4: Simplify right side
   3,809,412x = 66,185,644,327,936
5. Step 5: Solve for x
   x = 66,185,644,327,936/3,809,412
6. Step 6: Final answer
   x = 17,374,241.57