Finding the Third Proportional to 2,238.26 and 3,131.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.26 : 3,131.00 = 3,131.00 : x
2. Step 2: Convert to fraction form
   2,238.26/3,131.00 = 3,131.00/x
3. Step 3: Cross multiply
   2,238.26x = 3,131.00 × 3,131.00
4. Step 4: Simplify right side
   2,238.26x = 9,803,148.77
5. Step 5: Solve for x
   x = 9,803,148.77/2,238.26
6. Step 6: Final answer
   x = 4,379.81