Finding the Third Proportional to 300,825.56 and 451,303.31

Step by Step Solution

1. Step 1: Write the proportion equation
   300,825.56 : 451,303.31 = 451,303.31 : x
2. Step 2: Convert to fraction form
   300,825.56/451,303.31 = 451,303.31/x
3. Step 3: Cross multiply
   300,825.56x = 451,303.31 × 451,303.31
4. Step 4: Simplify right side
   300,825.56x = 203,674,679,873.47
5. Step 5: Solve for x
   x = 203,674,679,873.47/300,825.56
6. Step 6: Final answer
   x = 677,052.44