Finding the Third Proportional to 404,626 and 625,191

Step by Step Solution

1. Step 1: Write the proportion equation
   404,626 : 625,191 = 625,191 : x
2. Step 2: Convert to fraction form
   404,626/625,191 = 625,191/x
3. Step 3: Cross multiply
   404,626x = 625,191 × 625,191
4. Step 4: Simplify right side
   404,626x = 390,863,786,481
5. Step 5: Solve for x
   x = 390,863,786,481/404,626
6. Step 6: Final answer
   x = 965,987.82