Finding the Third Proportional to 3,818,263 and 8,234,018

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818,263 : 8,234,018 = 8,234,018 : x
2. Step 2: Convert to fraction form
   3,818,263/8,234,018 = 8,234,018/x
3. Step 3: Cross multiply
   3,818,263x = 8,234,018 × 8,234,018
4. Step 4: Simplify right side
   3,818,263x = 67,799,052,424,324
5. Step 5: Solve for x
   x = 67,799,052,424,324/3,818,263
6. Step 6: Final answer
   x = 17,756,517.15