Finding the Third Proportional to 3,766,086 and 8,236,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766,086 : 8,236,386 = 8,236,386 : x
2. Step 2: Convert to fraction form
   3,766,086/8,236,386 = 8,236,386/x
3. Step 3: Cross multiply
   3,766,086x = 8,236,386 × 8,236,386
4. Step 4: Simplify right side
   3,766,086x = 67,838,054,340,996
5. Step 5: Solve for x
   x = 67,838,054,340,996/3,766,086
6. Step 6: Final answer
   x = 18,012,879.78