Finding the Third Proportional to 773.25 and 1,806

Step by Step Solution

1. Step 1: Write the proportion equation
   773.25 : 1,806 = 1,806 : x
2. Step 2: Convert to fraction form
   773.25/1,806 = 1,806/x
3. Step 3: Cross multiply
   773.25x = 1,806 × 1,806
4. Step 4: Simplify right side
   773.25x = 3,261,636
5. Step 5: Solve for x
   x = 3,261,636/773.25
6. Step 6: Final answer
   x = 4,218.09