Finding the Third Proportional to 401,926 and 622,074

Step by Step Solution

1. Step 1: Write the proportion equation
   401,926 : 622,074 = 622,074 : x
2. Step 2: Convert to fraction form
   401,926/622,074 = 622,074/x
3. Step 3: Cross multiply
   401,926x = 622,074 × 622,074
4. Step 4: Simplify right side
   401,926x = 386,976,061,476
5. Step 5: Solve for x
   x = 386,976,061,476/401,926
6. Step 6: Final answer
   x = 962,804.25