Finding the Third Proportional to 218,448 and 475,326

Step by Step Solution

1. Step 1: Write the proportion equation
   218,448 : 475,326 = 475,326 : x
2. Step 2: Convert to fraction form
   218,448/475,326 = 475,326/x
3. Step 3: Cross multiply
   218,448x = 475,326 × 475,326
4. Step 4: Simplify right side
   218,448x = 225,934,806,276
5. Step 5: Solve for x
   x = 225,934,806,276/218,448
6. Step 6: Final answer
   x = 1,034,272.72