Finding the Third Proportional to 194,836 and 404,979

Step by Step Solution

1. Step 1: Write the proportion equation
   194,836 : 404,979 = 404,979 : x
2. Step 2: Convert to fraction form
   194,836/404,979 = 404,979/x
3. Step 3: Cross multiply
   194,836x = 404,979 × 404,979
4. Step 4: Simplify right side
   194,836x = 164,007,990,441
5. Step 5: Solve for x
   x = 164,007,990,441/194,836
6. Step 6: Final answer
   x = 841,774.57