Finding the Third Proportional to 911.25 and 1,410.75

Step by Step Solution

1. Step 1: Write the proportion equation
   911.25 : 1,410.75 = 1,410.75 : x
2. Step 2: Convert to fraction form
   911.25/1,410.75 = 1,410.75/x
3. Step 3: Cross multiply
   911.25x = 1,410.75 × 1,410.75
4. Step 4: Simplify right side
   911.25x = 1,990,215.56
5. Step 5: Solve for x
   x = 1,990,215.56/911.25
6. Step 6: Final answer
   x = 2,184.05