Finding the Third Proportional to 1,521.42 and 3,280.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.42 : 3,280.08 = 3,280.08 : x
2. Step 2: Convert to fraction form
   1,521.42/3,280.08 = 3,280.08/x
3. Step 3: Cross multiply
   1,521.42x = 3,280.08 × 3,280.08
4. Step 4: Simplify right side
   1,521.42x = 10,758,912.51
5. Step 5: Solve for x
   x = 10,758,912.51/1,521.42
6. Step 6: Final answer
   x = 7,071.62