Finding the Third Proportional to 1,281.94 and 2,803.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281.94 : 2,803.31 = 2,803.31 : x
2. Step 2: Convert to fraction form
   1,281.94/2,803.31 = 2,803.31/x
3. Step 3: Cross multiply
   1,281.94x = 2,803.31 × 2,803.31
4. Step 4: Simplify right side
   1,281.94x = 7,858,560.97
5. Step 5: Solve for x
   x = 7,858,560.97/1,281.94
6. Step 6: Final answer
   x = 6,130.22