Finding the Third Proportional to 1,135.69 and 2,487.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,135.69 : 2,487.38 = 2,487.38 : x
2. Step 2: Convert to fraction form
   1,135.69/2,487.38 = 2,487.38/x
3. Step 3: Cross multiply
   1,135.69x = 2,487.38 × 2,487.38
4. Step 4: Simplify right side
   1,135.69x = 6,187,034.39
5. Step 5: Solve for x
   x = 6,187,034.39/1,135.69
6. Step 6: Final answer
   x = 5,447.83