Finding the Third Proportional to 1,124.82 and 1,691.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.82 : 1,691.51 = 1,691.51 : x
2. Step 2: Convert to fraction form
   1,124.82/1,691.51 = 1,691.51/x
3. Step 3: Cross multiply
   1,124.82x = 1,691.51 × 1,691.51
4. Step 4: Simplify right side
   1,124.82x = 2,861,198.68
5. Step 5: Solve for x
   x = 2,861,198.68/1,124.82
6. Step 6: Final answer
   x = 2,543.69