Finding the Third Proportional to 254,421 and 336,399.33

Step by Step Solution

1. Step 1: Write the proportion equation
   254,421 : 336,399.33 = 336,399.33 : x
2. Step 2: Convert to fraction form
   254,421/336,399.33 = 336,399.33/x
3. Step 3: Cross multiply
   254,421x = 336,399.33 × 336,399.33
4. Step 4: Simplify right side
   254,421x = 113,164,507,962.95
5. Step 5: Solve for x
   x = 113,164,507,962.95/254,421
6. Step 6: Final answer
   x = 444,792.32