Finding the Third Proportional to 184,684 and 397,616

Step by Step Solution

1. Step 1: Write the proportion equation
   184,684 : 397,616 = 397,616 : x
2. Step 2: Convert to fraction form
   184,684/397,616 = 397,616/x
3. Step 3: Cross multiply
   184,684x = 397,616 × 397,616
4. Step 4: Simplify right side
   184,684x = 158,098,483,456
5. Step 5: Solve for x
   x = 158,098,483,456/184,684
6. Step 6: Final answer
   x = 856,048.62