Finding the Third Proportional to 80,777,366 and 173,871,916

Step by Step Solution

1. Step 1: Write the proportion equation
   80,777,366 : 173,871,916 = 173,871,916 : x
2. Step 2: Convert to fraction form
   80,777,366/173,871,916 = 173,871,916/x
3. Step 3: Cross multiply
   80,777,366x = 173,871,916 × 173,871,916
4. Step 4: Simplify right side
   80,777,366x = 30,231,443,173,511,056
5. Step 5: Solve for x
   x = 30,231,443,173,511,056/80,777,366
6. Step 6: Final answer
   x = 374,256,362.53