Finding the Third Proportional to 5,871,996 and 12,898,728

Step by Step Solution

1. Step 1: Write the proportion equation
   5,871,996 : 12,898,728 = 12,898,728 : x
2. Step 2: Convert to fraction form
   5,871,996/12,898,728 = 12,898,728/x
3. Step 3: Cross multiply
   5,871,996x = 12,898,728 × 12,898,728
4. Step 4: Simplify right side
   5,871,996x = 166,377,184,017,984
5. Step 5: Solve for x
   x = 166,377,184,017,984/5,871,996
6. Step 6: Final answer
   x = 28,334,008.40