Finding the Third Proportional to 148,568 and 223,558

Step by Step Solution

1. Step 1: Write the proportion equation
   148,568 : 223,558 = 223,558 : x
2. Step 2: Convert to fraction form
   148,568/223,558 = 223,558/x
3. Step 3: Cross multiply
   148,568x = 223,558 × 223,558
4. Step 4: Simplify right side
   148,568x = 49,978,179,364
5. Step 5: Solve for x
   x = 49,978,179,364/148,568
6. Step 6: Final answer
   x = 336,399.35