Finding the Third Proportional to 407,926 and 871,904

Step by Step Solution

1. Step 1: Write the proportion equation
   407,926 : 871,904 = 871,904 : x
2. Step 2: Convert to fraction form
   407,926/871,904 = 871,904/x
3. Step 3: Cross multiply
   407,926x = 871,904 × 871,904
4. Step 4: Simplify right side
   407,926x = 760,216,585,216
5. Step 5: Solve for x
   x = 760,216,585,216/407,926
6. Step 6: Final answer
   x = 1,863,613.95