Finding the Third Proportional to 1,198.55 and 1,720.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198.55 : 1,720.62 = 1,720.62 : x
2. Step 2: Convert to fraction form
   1,198.55/1,720.62 = 1,720.62/x
3. Step 3: Cross multiply
   1,198.55x = 1,720.62 × 1,720.62
4. Step 4: Simplify right side
   1,198.55x = 2,960,523.51
5. Step 5: Solve for x
   x = 2,960,523.51/1,198.55
6. Step 6: Final answer
   x = 2,470.09