Finding the Third Proportional to 194,724 and 404,244

Step by Step Solution

1. Step 1: Write the proportion equation
   194,724 : 404,244 = 404,244 : x
2. Step 2: Convert to fraction form
   194,724/404,244 = 404,244/x
3. Step 3: Cross multiply
   194,724x = 404,244 × 404,244
4. Step 4: Simplify right side
   194,724x = 163,413,211,536
5. Step 5: Solve for x
   x = 163,413,211,536/194,724
6. Step 6: Final answer
   x = 839,204.27