Finding the Third Proportional to 788.48 and 1,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   788.48 : 1,155.52 = 1,155.52 : x
2. Step 2: Convert to fraction form
   788.48/1,155.52 = 1,155.52/x
3. Step 3: Cross multiply
   788.48x = 1,155.52 × 1,155.52
4. Step 4: Simplify right side
   788.48x = 1,335,216.36
5. Step 5: Solve for x
   x = 1,335,216.36/788.48
6. Step 6: Final answer
   x = 1,693.40