Finding the Third Proportional to 997.31 and 2,043.56

Step by Step Solution

1. Step 1: Write the proportion equation
   997.31 : 2,043.56 = 2,043.56 : x
2. Step 2: Convert to fraction form
   997.31/2,043.56 = 2,043.56/x
3. Step 3: Cross multiply
   997.31x = 2,043.56 × 2,043.56
4. Step 4: Simplify right side
   997.31x = 4,176,147.69
5. Step 5: Solve for x
   x = 4,176,147.69/997.31
6. Step 6: Final answer
   x = 4,187.40