Finding the Third Proportional to 1,131.89 and 2,386.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.89 : 2,386.97 = 2,386.97 : x
2. Step 2: Convert to fraction form
   1,131.89/2,386.97 = 2,386.97/x
3. Step 3: Cross multiply
   1,131.89x = 2,386.97 × 2,386.97
4. Step 4: Simplify right side
   1,131.89x = 5,697,619.81
5. Step 5: Solve for x
   x = 5,697,619.81/1,131.89
6. Step 6: Final answer
   x = 5,033.72