Finding the Third Proportional to 184,728 and 397,710

Step by Step Solution

1. Step 1: Write the proportion equation
   184,728 : 397,710 = 397,710 : x
2. Step 2: Convert to fraction form
   184,728/397,710 = 397,710/x
3. Step 3: Cross multiply
   184,728x = 397,710 × 397,710
4. Step 4: Simplify right side
   184,728x = 158,173,244,100
5. Step 5: Solve for x
   x = 158,173,244,100/184,728
6. Step 6: Final answer
   x = 856,249.43