Finding the Third Proportional to 1,103.25 and 1,709.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.25 : 1,709.63 = 1,709.63 : x
2. Step 2: Convert to fraction form
   1,103.25/1,709.63 = 1,709.63/x
3. Step 3: Cross multiply
   1,103.25x = 1,709.63 × 1,709.63
4. Step 4: Simplify right side
   1,103.25x = 2,922,817.64
5. Step 5: Solve for x
   x = 2,922,817.64/1,103.25
6. Step 6: Final answer
   x = 2,649.28