Finding the Third Proportional to 3,455.50 and 7,404.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,455.50 : 7,404.13 = 7,404.13 : x
2. Step 2: Convert to fraction form
   3,455.50/7,404.13 = 7,404.13/x
3. Step 3: Cross multiply
   3,455.50x = 7,404.13 × 7,404.13
4. Step 4: Simplify right side
   3,455.50x = 54,821,067.02
5. Step 5: Solve for x
   x = 54,821,067.02/3,455.50
6. Step 6: Final answer
   x = 15,864.87