Finding the Third Proportional to 3,543.75 and 7,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.75 : 7,654.50 = 7,654.50 : x
2. Step 2: Convert to fraction form
   3,543.75/7,654.50 = 7,654.50/x
3. Step 3: Cross multiply
   3,543.75x = 7,654.50 × 7,654.50
4. Step 4: Simplify right side
   3,543.75x = 58,591,370.25
5. Step 5: Solve for x
   x = 58,591,370.25/3,543.75
6. Step 6: Final answer
   x = 16,533.72