Finding the Third Proportional to 1,804.78 and 3,839.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.78 : 3,839.91 = 3,839.91 : x
2. Step 2: Convert to fraction form
   1,804.78/3,839.91 = 3,839.91/x
3. Step 3: Cross multiply
   1,804.78x = 3,839.91 × 3,839.91
4. Step 4: Simplify right side
   1,804.78x = 14,744,880.01
5. Step 5: Solve for x
   x = 14,744,880.01/1,804.78
6. Step 6: Final answer
   x = 8,169.90