Finding the Third Proportional to 3,543.38 and 7,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.38 : 7,768.50 = 7,768.50 : x
2. Step 2: Convert to fraction form
   3,543.38/7,768.50 = 7,768.50/x
3. Step 3: Cross multiply
   3,543.38x = 7,768.50 × 7,768.50
4. Step 4: Simplify right side
   3,543.38x = 60,349,592.25
5. Step 5: Solve for x
   x = 60,349,592.25/3,543.38
6. Step 6: Final answer
   x = 17,031.67