Finding the Third Proportional to 305,367.47 and 449,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   305,367.47 : 449,162.72 = 449,162.72 : x
2. Step 2: Convert to fraction form
   305,367.47/449,162.72 = 449,162.72/x
3. Step 3: Cross multiply
   305,367.47x = 449,162.72 × 449,162.72
4. Step 4: Simplify right side
   305,367.47x = 201,747,147,914.89
5. Step 5: Solve for x
   x = 201,747,147,914.89/305,367.47
6. Step 6: Final answer
   x = 660,670.07