Finding the Third Proportional to 3,883,540 and 8,256,968

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,540 : 8,256,968 = 8,256,968 : x
2. Step 2: Convert to fraction form
   3,883,540/8,256,968 = 8,256,968/x
3. Step 3: Cross multiply
   3,883,540x = 8,256,968 × 8,256,968
4. Step 4: Simplify right side
   3,883,540x = 68,177,520,553,024
5. Step 5: Solve for x
   x = 68,177,520,553,024/3,883,540
6. Step 6: Final answer
   x = 17,555,508.78