Finding the Third Proportional to 191,742 and 416,616

Step by Step Solution

1. Step 1: Write the proportion equation
   191,742 : 416,616 = 416,616 : x
2. Step 2: Convert to fraction form
   191,742/416,616 = 416,616/x
3. Step 3: Cross multiply
   191,742x = 416,616 × 416,616
4. Step 4: Simplify right side
   191,742x = 173,568,891,456
5. Step 5: Solve for x
   x = 173,568,891,456/191,742
6. Step 6: Final answer
   x = 905,221.03