Finding the Third Proportional to 1,105.25 and 1,725.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.25 : 1,725.15 = 1,725.15 : x
2. Step 2: Convert to fraction form
   1,105.25/1,725.15 = 1,725.15/x
3. Step 3: Cross multiply
   1,105.25x = 1,725.15 × 1,725.15
4. Step 4: Simplify right side
   1,105.25x = 2,976,127.87
5. Step 5: Solve for x
   x = 2,976,127.87/1,105.25
6. Step 6: Final answer
   x = 2,692.73