Finding the Third Proportional to 3,926,288 and 8,305,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926,288 : 8,305,272 = 8,305,272 : x
2. Step 2: Convert to fraction form
   3,926,288/8,305,272 = 8,305,272/x
3. Step 3: Cross multiply
   3,926,288x = 8,305,272 × 8,305,272
4. Step 4: Simplify right side
   3,926,288x = 68,977,542,993,984
5. Step 5: Solve for x
   x = 68,977,542,993,984/3,926,288
6. Step 6: Final answer
   x = 17,568,131.27