Finding the Third Proportional to 809,185 and 1,208,238

Step by Step Solution

1. Step 1: Write the proportion equation
   809,185 : 1,208,238 = 1,208,238 : x
2. Step 2: Convert to fraction form
   809,185/1,208,238 = 1,208,238/x
3. Step 3: Cross multiply
   809,185x = 1,208,238 × 1,208,238
4. Step 4: Simplify right side
   809,185x = 1,459,839,064,644
5. Step 5: Solve for x
   x = 1,459,839,064,644/809,185
6. Step 6: Final answer
   x = 1,804,085.67