Finding the Third Proportional to 1,518.50 and 3,288.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.50 : 3,288.88 = 3,288.88 : x
2. Step 2: Convert to fraction form
   1,518.50/3,288.88 = 3,288.88/x
3. Step 3: Cross multiply
   1,518.50x = 3,288.88 × 3,288.88
4. Step 4: Simplify right side
   1,518.50x = 10,816,698.77
5. Step 5: Solve for x
   x = 10,816,698.77/1,518.50
6. Step 6: Final answer
   x = 7,123.28