Finding the Third Proportional to 11,147,638 and 24,487,469

Step by Step Solution

1. Step 1: Write the proportion equation
   11,147,638 : 24,487,469 = 24,487,469 : x
2. Step 2: Convert to fraction form
   11,147,638/24,487,469 = 24,487,469/x
3. Step 3: Cross multiply
   11,147,638x = 24,487,469 × 24,487,469
4. Step 4: Simplify right side
   11,147,638x = 599,636,138,025,961
5. Step 5: Solve for x
   x = 599,636,138,025,961/11,147,638
6. Step 6: Final answer
   x = 53,790,420.72