Finding the Third Proportional to 1,520.65 and 3,271.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.65 : 3,271.96 = 3,271.96 : x
2. Step 2: Convert to fraction form
   1,520.65/3,271.96 = 3,271.96/x
3. Step 3: Cross multiply
   1,520.65x = 3,271.96 × 3,271.96
4. Step 4: Simplify right side
   1,520.65x = 10,705,702.81
5. Step 5: Solve for x
   x = 10,705,702.81/1,520.65
6. Step 6: Final answer
   x = 7,040.22