Finding the Third Proportional to 394,155 and 601,074

Step by Step Solution

1. Step 1: Write the proportion equation
   394,155 : 601,074 = 601,074 : x
2. Step 2: Convert to fraction form
   394,155/601,074 = 601,074/x
3. Step 3: Cross multiply
   394,155x = 601,074 × 601,074
4. Step 4: Simplify right side
   394,155x = 361,289,953,476
5. Step 5: Solve for x
   x = 361,289,953,476/394,155
6. Step 6: Final answer
   x = 916,618.98