Finding the Third Proportional to 4,150.03 and 8,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,150.03 : 8,991.50 = 8,991.50 : x
2. Step 2: Convert to fraction form
   4,150.03/8,991.50 = 8,991.50/x
3. Step 3: Cross multiply
   4,150.03x = 8,991.50 × 8,991.50
4. Step 4: Simplify right side
   4,150.03x = 80,847,072.25
5. Step 5: Solve for x
   x = 80,847,072.25/4,150.03
6. Step 6: Final answer
   x = 19,481.08