Finding the Third Proportional to 610.59 and 1,342.69

Step by Step Solution

1. Step 1: Write the proportion equation
   610.59 : 1,342.69 = 1,342.69 : x
2. Step 2: Convert to fraction form
   610.59/1,342.69 = 1,342.69/x
3. Step 3: Cross multiply
   610.59x = 1,342.69 × 1,342.69
4. Step 4: Simplify right side
   610.59x = 1,802,809.72
5. Step 5: Solve for x
   x = 1,802,809.72/610.59
6. Step 6: Final answer
   x = 2,952.55