Finding the Third Proportional to 828.50 and 1,931

Step by Step Solution

1. Step 1: Write the proportion equation
   828.50 : 1,931 = 1,931 : x
2. Step 2: Convert to fraction form
   828.50/1,931 = 1,931/x
3. Step 3: Cross multiply
   828.50x = 1,931 × 1,931
4. Step 4: Simplify right side
   828.50x = 3,728,761
5. Step 5: Solve for x
   x = 3,728,761/828.50
6. Step 6: Final answer
   x = 4,500.62