Finding the Third Proportional to 4,860,520.50 and 10,636,449

Step by Step Solution

1. Step 1: Write the proportion equation
   4,860,520.50 : 10,636,449 = 10,636,449 : x
2. Step 2: Convert to fraction form
   4,860,520.50/10,636,449 = 10,636,449/x
3. Step 3: Cross multiply
   4,860,520.50x = 10,636,449 × 10,636,449
4. Step 4: Simplify right side
   4,860,520.50x = 113,134,047,329,601
5. Step 5: Solve for x
   x = 113,134,047,329,601/4,860,520.50
6. Step 6: Final answer
   x = 23,276,117.72