Finding the Third Proportional to 225,281.25 and 314,958

Step by Step Solution

1. Step 1: Write the proportion equation
   225,281.25 : 314,958 = 314,958 : x
2. Step 2: Convert to fraction form
   225,281.25/314,958 = 314,958/x
3. Step 3: Cross multiply
   225,281.25x = 314,958 × 314,958
4. Step 4: Simplify right side
   225,281.25x = 99,198,541,764
5. Step 5: Solve for x
   x = 99,198,541,764/225,281.25
6. Step 6: Final answer
   x = 440,331.99