Finding the Third Proportional to 716.72 and 1,570.03

Step by Step Solution

1. Step 1: Write the proportion equation
   716.72 : 1,570.03 = 1,570.03 : x
2. Step 2: Convert to fraction form
   716.72/1,570.03 = 1,570.03/x
3. Step 3: Cross multiply
   716.72x = 1,570.03 × 1,570.03
4. Step 4: Simplify right side
   716.72x = 2,464,998.13
5. Step 5: Solve for x
   x = 2,464,998.13/716.72
6. Step 6: Final answer
   x = 3,439.28