Finding the Third Proportional to 215,810 and 474,448

Step by Step Solution

1. Step 1: Write the proportion equation
   215,810 : 474,448 = 474,448 : x
2. Step 2: Convert to fraction form
   215,810/474,448 = 474,448/x
3. Step 3: Cross multiply
   215,810x = 474,448 × 474,448
4. Step 4: Simplify right side
   215,810x = 225,100,904,704
5. Step 5: Solve for x
   x = 225,100,904,704/215,810
6. Step 6: Final answer
   x = 1,043,051.32