Finding the Third Proportional to 882.56 and 1,321.10

Step by Step Solution

1. Step 1: Write the proportion equation
   882.56 : 1,321.10 = 1,321.10 : x
2. Step 2: Convert to fraction form
   882.56/1,321.10 = 1,321.10/x
3. Step 3: Cross multiply
   882.56x = 1,321.10 × 1,321.10
4. Step 4: Simplify right side
   882.56x = 1,745,309.34
5. Step 5: Solve for x
   x = 1,745,309.34/882.56
6. Step 6: Final answer
   x = 1,977.55