Finding the Third Proportional to 3,936,823 and 8,187,750

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936,823 : 8,187,750 = 8,187,750 : x
2. Step 2: Convert to fraction form
   3,936,823/8,187,750 = 8,187,750/x
3. Step 3: Cross multiply
   3,936,823x = 8,187,750 × 8,187,750
4. Step 4: Simplify right side
   3,936,823x = 67,039,250,062,500
5. Step 5: Solve for x
   x = 67,039,250,062,500/3,936,823
6. Step 6: Final answer
   x = 17,028,769.15