Finding the Third Proportional to 874.31 and 1,789.13

Step by Step Solution

1. Step 1: Write the proportion equation
   874.31 : 1,789.13 = 1,789.13 : x
2. Step 2: Convert to fraction form
   874.31/1,789.13 = 1,789.13/x
3. Step 3: Cross multiply
   874.31x = 1,789.13 × 1,789.13
4. Step 4: Simplify right side
   874.31x = 3,200,968.27
5. Step 5: Solve for x
   x = 3,200,968.27/874.31
6. Step 6: Final answer
   x = 3,661.13