Finding the Third Proportional to 225,045 and 488,729.25

Step by Step Solution

1. Step 1: Write the proportion equation
   225,045 : 488,729.25 = 488,729.25 : x
2. Step 2: Convert to fraction form
   225,045/488,729.25 = 488,729.25/x
3. Step 3: Cross multiply
   225,045x = 488,729.25 × 488,729.25
4. Step 4: Simplify right side
   225,045x = 238,856,279,805.56
5. Step 5: Solve for x
   x = 238,856,279,805.56/225,045
6. Step 6: Final answer
   x = 1,061,371.19