Finding the Third Proportional to 33,543 and 69,245

Step by Step Solution

1. Step 1: Write the proportion equation
   33,543 : 69,245 = 69,245 : x
2. Step 2: Convert to fraction form
   33,543/69,245 = 69,245/x
3. Step 3: Cross multiply
   33,543x = 69,245 × 69,245
4. Step 4: Simplify right side
   33,543x = 4,794,870,025
5. Step 5: Solve for x
   x = 4,794,870,025/33,543
6. Step 6: Final answer
   x = 142,946.96