Finding the Third Proportional to 2,342.81 and 5,131.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.81 : 5,131.13 = 5,131.13 : x
2. Step 2: Convert to fraction form
   2,342.81/5,131.13 = 5,131.13/x
3. Step 3: Cross multiply
   2,342.81x = 5,131.13 × 5,131.13
4. Step 4: Simplify right side
   2,342.81x = 26,328,443.77
5. Step 5: Solve for x
   x = 26,328,443.77/2,342.81
6. Step 6: Final answer
   x = 11,237.96