Finding the Third Proportional to 184,647 and 400,398

Step by Step Solution

1. Step 1: Write the proportion equation
   184,647 : 400,398 = 400,398 : x
2. Step 2: Convert to fraction form
   184,647/400,398 = 400,398/x
3. Step 3: Cross multiply
   184,647x = 400,398 × 400,398
4. Step 4: Simplify right side
   184,647x = 160,318,558,404
5. Step 5: Solve for x
   x = 160,318,558,404/184,647
6. Step 6: Final answer
   x = 868,243.50