Finding the Third Proportional to 3,906,182 and 8,557,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,182 : 8,557,132 = 8,557,132 : x
2. Step 2: Convert to fraction form
   3,906,182/8,557,132 = 8,557,132/x
3. Step 3: Cross multiply
   3,906,182x = 8,557,132 × 8,557,132
4. Step 4: Simplify right side
   3,906,182x = 73,224,508,065,424
5. Step 5: Solve for x
   x = 73,224,508,065,424/3,906,182
6. Step 6: Final answer
   x = 18,745,800.39