Finding the Third Proportional to 186,716 and 404,936

Step by Step Solution

1. Step 1: Write the proportion equation
   186,716 : 404,936 = 404,936 : x
2. Step 2: Convert to fraction form
   186,716/404,936 = 404,936/x
3. Step 3: Cross multiply
   186,716x = 404,936 × 404,936
4. Step 4: Simplify right side
   186,716x = 163,973,164,096
5. Step 5: Solve for x
   x = 163,973,164,096/186,716
6. Step 6: Final answer
   x = 878,195.57