Finding the Third Proportional to 810 and 1,582.88

Step by Step Solution

1. Step 1: Write the proportion equation
   810 : 1,582.88 = 1,582.88 : x
2. Step 2: Convert to fraction form
   810/1,582.88 = 1,582.88/x
3. Step 3: Cross multiply
   810x = 1,582.88 × 1,582.88
4. Step 4: Simplify right side
   810x = 2,505,493.27
5. Step 5: Solve for x
   x = 2,505,493.27/810
6. Step 6: Final answer
   x = 3,093.20