Finding the Third Proportional to 181,696 and 391,016

Step by Step Solution

1. Step 1: Write the proportion equation
   181,696 : 391,016 = 391,016 : x
2. Step 2: Convert to fraction form
   181,696/391,016 = 391,016/x
3. Step 3: Cross multiply
   181,696x = 391,016 × 391,016
4. Step 4: Simplify right side
   181,696x = 152,893,512,256
5. Step 5: Solve for x
   x = 152,893,512,256/181,696
6. Step 6: Final answer
   x = 841,479.79