Finding the Third Proportional to 3,555.50 and 7,783

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.50 : 7,783 = 7,783 : x
2. Step 2: Convert to fraction form
   3,555.50/7,783 = 7,783/x
3. Step 3: Cross multiply
   3,555.50x = 7,783 × 7,783
4. Step 4: Simplify right side
   3,555.50x = 60,575,089
5. Step 5: Solve for x
   x = 60,575,089/3,555.50
6. Step 6: Final answer
   x = 17,037.01