Finding the Third Proportional to 3,040.88 and 4,642.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,040.88 : 4,642.31 = 4,642.31 : x
2. Step 2: Convert to fraction form
   3,040.88/4,642.31 = 4,642.31/x
3. Step 3: Cross multiply
   3,040.88x = 4,642.31 × 4,642.31
4. Step 4: Simplify right side
   3,040.88x = 21,551,065.35
5. Step 5: Solve for x
   x = 21,551,065.35/3,040.88
6. Step 6: Final answer
   x = 7,087.13