Finding the Third Proportional to 685,434 and 1,024,119

Step by Step Solution

1. Step 1: Write the proportion equation
   685,434 : 1,024,119 = 1,024,119 : x
2. Step 2: Convert to fraction form
   685,434/1,024,119 = 1,024,119/x
3. Step 3: Cross multiply
   685,434x = 1,024,119 × 1,024,119
4. Step 4: Simplify right side
   685,434x = 1,048,819,726,161
5. Step 5: Solve for x
   x = 1,048,819,726,161/685,434
6. Step 6: Final answer
   x = 1,530,154.22