Finding the Third Proportional to 1,131.89 and 2,400.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.89 : 2,400.05 = 2,400.05 : x
2. Step 2: Convert to fraction form
   1,131.89/2,400.05 = 2,400.05/x
3. Step 3: Cross multiply
   1,131.89x = 2,400.05 × 2,400.05
4. Step 4: Simplify right side
   1,131.89x = 5,760,225.00
5. Step 5: Solve for x
   x = 5,760,225.00/1,131.89
6. Step 6: Final answer
   x = 5,089.03