Finding the Third Proportional to 215,838 and 474,506

Step by Step Solution

1. Step 1: Write the proportion equation
   215,838 : 474,506 = 474,506 : x
2. Step 2: Convert to fraction form
   215,838/474,506 = 474,506/x
3. Step 3: Cross multiply
   215,838x = 474,506 × 474,506
4. Step 4: Simplify right side
   215,838x = 225,155,944,036
5. Step 5: Solve for x
   x = 225,155,944,036/215,838
6. Step 6: Final answer
   x = 1,043,171.01