Finding the Third Proportional to 145,648.50 and 223,548

Step by Step Solution

1. Step 1: Write the proportion equation
   145,648.50 : 223,548 = 223,548 : x
2. Step 2: Convert to fraction form
   145,648.50/223,548 = 223,548/x
3. Step 3: Cross multiply
   145,648.50x = 223,548 × 223,548
4. Step 4: Simplify right side
   145,648.50x = 49,973,708,304
5. Step 5: Solve for x
   x = 49,973,708,304/145,648.50
6. Step 6: Final answer
   x = 343,111.73