Finding the Third Proportional to 4,860,491 and 10,636,390

Step by Step Solution

1. Step 1: Write the proportion equation
   4,860,491 : 10,636,390 = 10,636,390 : x
2. Step 2: Convert to fraction form
   4,860,491/10,636,390 = 10,636,390/x
3. Step 3: Cross multiply
   4,860,491x = 10,636,390 × 10,636,390
4. Step 4: Simplify right side
   4,860,491x = 113,132,792,232,100
5. Step 5: Solve for x
   x = 113,132,792,232,100/4,860,491
6. Step 6: Final answer
   x = 23,276,000.76