Finding the Third Proportional to 184,689 and 404,409

Step by Step Solution

1. Step 1: Write the proportion equation
   184,689 : 404,409 = 404,409 : x
2. Step 2: Convert to fraction form
   184,689/404,409 = 404,409/x
3. Step 3: Cross multiply
   184,689x = 404,409 × 404,409
4. Step 4: Simplify right side
   184,689x = 163,546,639,281
5. Step 5: Solve for x
   x = 163,546,639,281/184,689
6. Step 6: Final answer
   x = 885,524.53