Finding the Third Proportional to 3,543.75 and 7,354.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.75 : 7,354.13 = 7,354.13 : x
2. Step 2: Convert to fraction form
   3,543.75/7,354.13 = 7,354.13/x
3. Step 3: Cross multiply
   3,543.75x = 7,354.13 × 7,354.13
4. Step 4: Simplify right side
   3,543.75x = 54,083,154.52
5. Step 5: Solve for x
   x = 54,083,154.52/3,543.75
6. Step 6: Final answer
   x = 15,261.56