Finding the Third Proportional to 2,163,396 and 4,616,356

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,396 : 4,616,356 = 4,616,356 : x
2. Step 2: Convert to fraction form
   2,163,396/4,616,356 = 4,616,356/x
3. Step 3: Cross multiply
   2,163,396x = 4,616,356 × 4,616,356
4. Step 4: Simplify right side
   2,163,396x = 21,310,742,718,736
5. Step 5: Solve for x
   x = 21,310,742,718,736/2,163,396
6. Step 6: Final answer
   x = 9,850,597.26