Finding the Third Proportional to 3,127.78 and 5,830.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,127.78 : 5,830.31 = 5,830.31 : x
2. Step 2: Convert to fraction form
   3,127.78/5,830.31 = 5,830.31/x
3. Step 3: Cross multiply
   3,127.78x = 5,830.31 × 5,830.31
4. Step 4: Simplify right side
   3,127.78x = 33,992,543.85
5. Step 5: Solve for x
   x = 33,992,543.85/3,127.78
6. Step 6: Final answer
   x = 10,867.94