Finding the Third Proportional to 2,163,417 and 4,616,395

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,417 : 4,616,395 = 4,616,395 : x
2. Step 2: Convert to fraction form
   2,163,417/4,616,395 = 4,616,395/x
3. Step 3: Cross multiply
   2,163,417x = 4,616,395 × 4,616,395
4. Step 4: Simplify right side
   2,163,417x = 21,311,102,796,025
5. Step 5: Solve for x
   x = 21,311,102,796,025/2,163,417
6. Step 6: Final answer
   x = 9,850,668.08