Finding the Third Proportional to 3,846,894 and 8,208,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846,894 : 8,208,648 = 8,208,648 : x
2. Step 2: Convert to fraction form
   3,846,894/8,208,648 = 8,208,648/x
3. Step 3: Cross multiply
   3,846,894x = 8,208,648 × 8,208,648
4. Step 4: Simplify right side
   3,846,894x = 67,381,901,987,904
5. Step 5: Solve for x
   x = 67,381,901,987,904/3,846,894
6. Step 6: Final answer
   x = 17,515,923.75