Finding the Third Proportional to 814.43 and 1,300.43

Step by Step Solution

1. Step 1: Write the proportion equation
   814.43 : 1,300.43 = 1,300.43 : x
2. Step 2: Convert to fraction form
   814.43/1,300.43 = 1,300.43/x
3. Step 3: Cross multiply
   814.43x = 1,300.43 × 1,300.43
4. Step 4: Simplify right side
   814.43x = 1,691,117.37
5. Step 5: Solve for x
   x = 1,691,117.37/814.43
6. Step 6: Final answer
   x = 2,076.44