Finding the Third Proportional to 3,936,105 and 8,186,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936,105 : 8,186,448 = 8,186,448 : x
2. Step 2: Convert to fraction form
   3,936,105/8,186,448 = 8,186,448/x
3. Step 3: Cross multiply
   3,936,105x = 8,186,448 × 8,186,448
4. Step 4: Simplify right side
   3,936,105x = 67,017,930,856,704
5. Step 5: Solve for x
   x = 67,017,930,856,704/3,936,105
6. Step 6: Final answer
   x = 17,026,459.12