Finding the Third Proportional to 3,968,757 and 8,414,406

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968,757 : 8,414,406 = 8,414,406 : x
2. Step 2: Convert to fraction form
   3,968,757/8,414,406 = 8,414,406/x
3. Step 3: Cross multiply
   3,968,757x = 8,414,406 × 8,414,406
4. Step 4: Simplify right side
   3,968,757x = 70,802,228,332,836
5. Step 5: Solve for x
   x = 70,802,228,332,836/3,968,757
6. Step 6: Final answer
   x = 17,839,900.08