Finding the Third Proportional to 804.94 and 1,085.91

Step by Step Solution

1. Step 1: Write the proportion equation
   804.94 : 1,085.91 = 1,085.91 : x
2. Step 2: Convert to fraction form
   804.94/1,085.91 = 1,085.91/x
3. Step 3: Cross multiply
   804.94x = 1,085.91 × 1,085.91
4. Step 4: Simplify right side
   804.94x = 1,179,192.38
5. Step 5: Solve for x
   x = 1,179,192.38/804.94
6. Step 6: Final answer
   x = 1,464.95