Finding the Third Proportional to 3,685.50 and 7,963.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.50 : 7,963.31 = 7,963.31 : x
2. Step 2: Convert to fraction form
   3,685.50/7,963.31 = 7,963.31/x
3. Step 3: Cross multiply
   3,685.50x = 7,963.31 × 7,963.31
4. Step 4: Simplify right side
   3,685.50x = 63,414,345.97
5. Step 5: Solve for x
   x = 63,414,345.97/3,685.50
6. Step 6: Final answer
   x = 17,206.44