Finding the Third Proportional to 79,099,740 and 173,280,546

Step by Step Solution

1. Step 1: Write the proportion equation
   79,099,740 : 173,280,546 = 173,280,546 : x
2. Step 2: Convert to fraction form
   79,099,740/173,280,546 = 173,280,546/x
3. Step 3: Cross multiply
   79,099,740x = 173,280,546 × 173,280,546
4. Step 4: Simplify right side
   79,099,740x = 30,026,147,622,058,116
5. Step 5: Solve for x
   x = 30,026,147,622,058,116/79,099,740
6. Step 6: Final answer
   x = 379,598,562.80