Finding the Third Proportional to 901.25 and 1,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   901.25 : 1,100.75 = 1,100.75 : x
2. Step 2: Convert to fraction form
   901.25/1,100.75 = 1,100.75/x
3. Step 3: Cross multiply
   901.25x = 1,100.75 × 1,100.75
4. Step 4: Simplify right side
   901.25x = 1,211,650.56
5. Step 5: Solve for x
   x = 1,211,650.56/901.25
6. Step 6: Final answer
   x = 1,344.41