Finding the Third Proportional to 716 and 1,561.25

Step by Step Solution

1. Step 1: Write the proportion equation
   716 : 1,561.25 = 1,561.25 : x
2. Step 2: Convert to fraction form
   716/1,561.25 = 1,561.25/x
3. Step 3: Cross multiply
   716x = 1,561.25 × 1,561.25
4. Step 4: Simplify right side
   716x = 2,437,501.56
5. Step 5: Solve for x
   x = 2,437,501.56/716
6. Step 6: Final answer
   x = 3,404.33