Finding the Third Proportional to 1,415.81 and 2,960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.81 : 2,960.72 = 2,960.72 : x
2. Step 2: Convert to fraction form
   1,415.81/2,960.72 = 2,960.72/x
3. Step 3: Cross multiply
   1,415.81x = 2,960.72 × 2,960.72
4. Step 4: Simplify right side
   1,415.81x = 8,765,855.52
5. Step 5: Solve for x
   x = 8,765,855.52/1,415.81
6. Step 6: Final answer
   x = 6,191.40