Finding the Third Proportional to 225,711 and 299,625.75

Step by Step Solution

1. Step 1: Write the proportion equation
   225,711 : 299,625.75 = 299,625.75 : x
2. Step 2: Convert to fraction form
   225,711/299,625.75 = 299,625.75/x
3. Step 3: Cross multiply
   225,711x = 299,625.75 × 299,625.75
4. Step 4: Simplify right side
   225,711x = 89,775,590,063.06
5. Step 5: Solve for x
   x = 89,775,590,063.06/225,711
6. Step 6: Final answer
   x = 397,745.75