Finding the Third Proportional to 190,020 and 401,496

Step by Step Solution

1. Step 1: Write the proportion equation
   190,020 : 401,496 = 401,496 : x
2. Step 2: Convert to fraction form
   190,020/401,496 = 401,496/x
3. Step 3: Cross multiply
   190,020x = 401,496 × 401,496
4. Step 4: Simplify right side
   190,020x = 161,199,038,016
5. Step 5: Solve for x
   x = 161,199,038,016/190,020
6. Step 6: Final answer
   x = 848,326.69