Finding the Third Proportional to 3,046.78 and 7,684.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,046.78 : 7,684.03 = 7,684.03 : x
2. Step 2: Convert to fraction form
   3,046.78/7,684.03 = 7,684.03/x
3. Step 3: Cross multiply
   3,046.78x = 7,684.03 × 7,684.03
4. Step 4: Simplify right side
   3,046.78x = 59,044,336.25
5. Step 5: Solve for x
   x = 59,044,336.25/3,046.78
6. Step 6: Final answer
   x = 19,379.25