Finding the Third Proportional to 2,163,387 and 4,616,334

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,387 : 4,616,334 = 4,616,334 : x
2. Step 2: Convert to fraction form
   2,163,387/4,616,334 = 4,616,334/x
3. Step 3: Cross multiply
   2,163,387x = 4,616,334 × 4,616,334
4. Step 4: Simplify right side
   2,163,387x = 21,310,539,599,556
5. Step 5: Solve for x
   x = 21,310,539,599,556/2,163,387
6. Step 6: Final answer
   x = 9,850,544.35