Finding the Third Proportional to 300,364.88 and 656,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   300,364.88 : 656,118.56 = 656,118.56 : x
2. Step 2: Convert to fraction form
   300,364.88/656,118.56 = 656,118.56/x
3. Step 3: Cross multiply
   300,364.88x = 656,118.56 × 656,118.56
4. Step 4: Simplify right side
   300,364.88x = 430,491,568,057.07
5. Step 5: Solve for x
   x = 430,491,568,057.07/300,364.88
6. Step 6: Final answer
   x = 1,433,228.73