Finding the Third Proportional to 4,860,801 and 10,636,578

Step by Step Solution

1. Step 1: Write the proportion equation
   4,860,801 : 10,636,578 = 10,636,578 : x
2. Step 2: Convert to fraction form
   4,860,801/10,636,578 = 10,636,578/x
3. Step 3: Cross multiply
   4,860,801x = 10,636,578 × 10,636,578
4. Step 4: Simplify right side
   4,860,801x = 113,136,791,550,084
5. Step 5: Solve for x
   x = 113,136,791,550,084/4,860,801
6. Step 6: Final answer
   x = 23,275,339.10