Finding the Third Proportional to 1,113.43 and 2,390.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.43 : 2,390.61 = 2,390.61 : x
2. Step 2: Convert to fraction form
   1,113.43/2,390.61 = 2,390.61/x
3. Step 3: Cross multiply
   1,113.43x = 2,390.61 × 2,390.61
4. Step 4: Simplify right side
   1,113.43x = 5,715,003.85
5. Step 5: Solve for x
   x = 5,715,003.85/1,113.43
6. Step 6: Final answer
   x = 5,132.77