Finding the Third Proportional to 3,650.91 and 7,939.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.91 : 7,939.69 = 7,939.69 : x
2. Step 2: Convert to fraction form
   3,650.91/7,939.69 = 7,939.69/x
3. Step 3: Cross multiply
   3,650.91x = 7,939.69 × 7,939.69
4. Step 4: Simplify right side
   3,650.91x = 63,038,637.60
5. Step 5: Solve for x
   x = 63,038,637.60/3,650.91
6. Step 6: Final answer
   x = 17,266.57