Finding the Third Proportional to 2,161.37 and 5,100.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161.37 : 5,100.15 = 5,100.15 : x
2. Step 2: Convert to fraction form
   2,161.37/5,100.15 = 5,100.15/x
3. Step 3: Cross multiply
   2,161.37x = 5,100.15 × 5,100.15
4. Step 4: Simplify right side
   2,161.37x = 26,011,553.93
5. Step 5: Solve for x
   x = 26,011,553.93/2,161.37
6. Step 6: Final answer
   x = 12,034.75