Finding the Third Proportional to 194,436 and 404,393

Step by Step Solution

1. Step 1: Write the proportion equation
   194,436 : 404,393 = 404,393 : x
2. Step 2: Convert to fraction form
   194,436/404,393 = 404,393/x
3. Step 3: Cross multiply
   194,436x = 404,393 × 404,393
4. Step 4: Simplify right side
   194,436x = 163,533,698,449
5. Step 5: Solve for x
   x = 163,533,698,449/194,436
6. Step 6: Final answer
   x = 841,066.98