Finding the Third Proportional to 828.56 and 2,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   828.56 : 2,227.50 = 2,227.50 : x
2. Step 2: Convert to fraction form
   828.56/2,227.50 = 2,227.50/x
3. Step 3: Cross multiply
   828.56x = 2,227.50 × 2,227.50
4. Step 4: Simplify right side
   828.56x = 4,961,756.25
5. Step 5: Solve for x
   x = 4,961,756.25/828.56
6. Step 6: Final answer
   x = 5,988.39