Finding the Third Proportional to 301,806 and 452,745.75

Step by Step Solution

1. Step 1: Write the proportion equation
   301,806 : 452,745.75 = 452,745.75 : x
2. Step 2: Convert to fraction form
   301,806/452,745.75 = 452,745.75/x
3. Step 3: Cross multiply
   301,806x = 452,745.75 × 452,745.75
4. Step 4: Simplify right side
   301,806x = 204,978,714,143.06
5. Step 5: Solve for x
   x = 204,978,714,143.06/301,806
6. Step 6: Final answer
   x = 679,173.75