Finding the Third Proportional to 2,820.75 and 6,112.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.75 : 6,112.31 = 6,112.31 : x
2. Step 2: Convert to fraction form
   2,820.75/6,112.31 = 6,112.31/x
3. Step 3: Cross multiply
   2,820.75x = 6,112.31 × 6,112.31
4. Step 4: Simplify right side
   2,820.75x = 37,360,364.10
5. Step 5: Solve for x
   x = 37,360,364.10/2,820.75
6. Step 6: Final answer
   x = 13,244.83