Finding the Third Proportional to 2,015.72 and 3,150.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.72 : 3,150.14 = 3,150.14 : x
2. Step 2: Convert to fraction form
   2,015.72/3,150.14 = 3,150.14/x
3. Step 3: Cross multiply
   2,015.72x = 3,150.14 × 3,150.14
4. Step 4: Simplify right side
   2,015.72x = 9,923,385.96
5. Step 5: Solve for x
   x = 9,923,385.96/2,015.72
6. Step 6: Final answer
   x = 4,923.00