Finding the Third Proportional to 817,904 and 1,798,238

Step by Step Solution

1. Step 1: Write the proportion equation
   817,904 : 1,798,238 = 1,798,238 : x
2. Step 2: Convert to fraction form
   817,904/1,798,238 = 1,798,238/x
3. Step 3: Cross multiply
   817,904x = 1,798,238 × 1,798,238
4. Step 4: Simplify right side
   817,904x = 3,233,659,904,644
5. Step 5: Solve for x
   x = 3,233,659,904,644/817,904
6. Step 6: Final answer
   x = 3,953,593.46