Finding the Third Proportional to 215,826 and 474,480

Step by Step Solution

1. Step 1: Write the proportion equation
   215,826 : 474,480 = 474,480 : x
2. Step 2: Convert to fraction form
   215,826/474,480 = 474,480/x
3. Step 3: Cross multiply
   215,826x = 474,480 × 474,480
4. Step 4: Simplify right side
   215,826x = 225,131,270,400
5. Step 5: Solve for x
   x = 225,131,270,400/215,826
6. Step 6: Final answer
   x = 1,043,114.69