Finding the Third Proportional to 839.25 and 1,776

Step by Step Solution

1. Step 1: Write the proportion equation
   839.25 : 1,776 = 1,776 : x
2. Step 2: Convert to fraction form
   839.25/1,776 = 1,776/x
3. Step 3: Cross multiply
   839.25x = 1,776 × 1,776
4. Step 4: Simplify right side
   839.25x = 3,154,176
5. Step 5: Solve for x
   x = 3,154,176/839.25
6. Step 6: Final answer
   x = 3,758.33