Finding the Third Proportional to 79,099,744 and 173,280,554

Step by Step Solution

1. Step 1: Write the proportion equation
   79,099,744 : 173,280,554 = 173,280,554 : x
2. Step 2: Convert to fraction form
   79,099,744/173,280,554 = 173,280,554/x
3. Step 3: Cross multiply
   79,099,744x = 173,280,554 × 173,280,554
4. Step 4: Simplify right side
   79,099,744x = 30,026,150,394,546,916
5. Step 5: Solve for x
   x = 30,026,150,394,546,916/79,099,744
6. Step 6: Final answer
   x = 379,598,578.66