Finding the Third Proportional to 3,345.05 and 5,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.05 : 5,042.25 = 5,042.25 : x
2. Step 2: Convert to fraction form
   3,345.05/5,042.25 = 5,042.25/x
3. Step 3: Cross multiply
   3,345.05x = 5,042.25 × 5,042.25
4. Step 4: Simplify right side
   3,345.05x = 25,424,285.06
5. Step 5: Solve for x
   x = 25,424,285.06/3,345.05
6. Step 6: Final answer
   x = 7,600.58