Finding the Third Proportional to 2,783.50 and 6,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.50 : 6,570.50 = 6,570.50 : x
2. Step 2: Convert to fraction form
   2,783.50/6,570.50 = 6,570.50/x
3. Step 3: Cross multiply
   2,783.50x = 6,570.50 × 6,570.50
4. Step 4: Simplify right side
   2,783.50x = 43,171,470.25
5. Step 5: Solve for x
   x = 43,171,470.25/2,783.50
6. Step 6: Final answer
   x = 15,509.78