Finding the Third Proportional to 543.38 and 1,171.69

Step by Step Solution

1. Step 1: Write the proportion equation
   543.38 : 1,171.69 = 1,171.69 : x
2. Step 2: Convert to fraction form
   543.38/1,171.69 = 1,171.69/x
3. Step 3: Cross multiply
   543.38x = 1,171.69 × 1,171.69
4. Step 4: Simplify right side
   543.38x = 1,372,851.60
5. Step 5: Solve for x
   x = 1,372,851.60/543.38
6. Step 6: Final answer
   x = 2,526.53