Finding the Third Proportional to 3,883,538 and 8,256,964

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,538 : 8,256,964 = 8,256,964 : x
2. Step 2: Convert to fraction form
   3,883,538/8,256,964 = 8,256,964/x
3. Step 3: Cross multiply
   3,883,538x = 8,256,964 × 8,256,964
4. Step 4: Simplify right side
   3,883,538x = 68,177,454,497,296
5. Step 5: Solve for x
   x = 68,177,454,497,296/3,883,538
6. Step 6: Final answer
   x = 17,555,500.81