Finding the Third Proportional to 43,243.50 and 55,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,243.50 : 55,255.50 = 55,255.50 : x
2. Step 2: Convert to fraction form
   43,243.50/55,255.50 = 55,255.50/x
3. Step 3: Cross multiply
   43,243.50x = 55,255.50 × 55,255.50
4. Step 4: Simplify right side
   43,243.50x = 3,053,170,280.25
5. Step 5: Solve for x
   x = 3,053,170,280.25/43,243.50
6. Step 6: Final answer
   x = 70,604.14