Finding the Third Proportional to 1,570.36 and 3,411.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.36 : 3,411.56 = 3,411.56 : x
2. Step 2: Convert to fraction form
   1,570.36/3,411.56 = 3,411.56/x
3. Step 3: Cross multiply
   1,570.36x = 3,411.56 × 3,411.56
4. Step 4: Simplify right side
   1,570.36x = 11,638,758.69
5. Step 5: Solve for x
   x = 11,638,758.69/1,570.36
6. Step 6: Final answer
   x = 7,411.53