Finding the Third Proportional to 3,091.45 and 7,290.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091.45 : 7,290.37 = 7,290.37 : x
2. Step 2: Convert to fraction form
   3,091.45/7,290.37 = 7,290.37/x
3. Step 3: Cross multiply
   3,091.45x = 7,290.37 × 7,290.37
4. Step 4: Simplify right side
   3,091.45x = 53,149,453.73
5. Step 5: Solve for x
   x = 53,149,453.73/3,091.45
6. Step 6: Final answer
   x = 17,192.43