Finding the Third Proportional to 301,100.63 and 408,727.69

Step by Step Solution

1. Step 1: Write the proportion equation
   301,100.63 : 408,727.69 = 408,727.69 : x
2. Step 2: Convert to fraction form
   301,100.63/408,727.69 = 408,727.69/x
3. Step 3: Cross multiply
   301,100.63x = 408,727.69 × 408,727.69
4. Step 4: Simplify right side
   301,100.63x = 167,058,322,529.10
5. Step 5: Solve for x
   x = 167,058,322,529.10/301,100.63
6. Step 6: Final answer
   x = 554,825.56