Finding the Third Proportional to 2,163,402 and 4,616,365

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,402 : 4,616,365 = 4,616,365 : x
2. Step 2: Convert to fraction form
   2,163,402/4,616,365 = 4,616,365/x
3. Step 3: Cross multiply
   2,163,402x = 4,616,365 × 4,616,365
4. Step 4: Simplify right side
   2,163,402x = 21,310,825,813,225
5. Step 5: Solve for x
   x = 21,310,825,813,225/2,163,402
6. Step 6: Final answer
   x = 9,850,608.35