Finding the Third Proportional to 401,949 and 836,974.69

Step by Step Solution

1. Step 1: Write the proportion equation
   401,949 : 836,974.69 = 836,974.69 : x
2. Step 2: Convert to fraction form
   401,949/836,974.69 = 836,974.69/x
3. Step 3: Cross multiply
   401,949x = 836,974.69 × 836,974.69
4. Step 4: Simplify right side
   401,949x = 700,526,627,515.72
5. Step 5: Solve for x
   x = 700,526,627,515.72/401,949
6. Step 6: Final answer
   x = 1,742,824.66