Finding the Third Proportional to 1,521.42 and 3,285.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.42 : 3,285.84 = 3,285.84 : x
2. Step 2: Convert to fraction form
   1,521.42/3,285.84 = 3,285.84/x
3. Step 3: Cross multiply
   1,521.42x = 3,285.84 × 3,285.84
4. Step 4: Simplify right side
   1,521.42x = 10,796,769.15
5. Step 5: Solve for x
   x = 10,796,769.15/1,521.42
6. Step 6: Final answer
   x = 7,096.50