Finding the Third Proportional to 485,448 and 1,064,208

Step by Step Solution

1. Step 1: Write the proportion equation
   485,448 : 1,064,208 = 1,064,208 : x
2. Step 2: Convert to fraction form
   485,448/1,064,208 = 1,064,208/x
3. Step 3: Cross multiply
   485,448x = 1,064,208 × 1,064,208
4. Step 4: Simplify right side
   485,448x = 1,132,538,667,264
5. Step 5: Solve for x
   x = 1,132,538,667,264/485,448
6. Step 6: Final answer
   x = 2,332,976.28