Finding the Third Proportional to 225,180 and 486,443.25

Step by Step Solution

1. Step 1: Write the proportion equation
   225,180 : 486,443.25 = 486,443.25 : x
2. Step 2: Convert to fraction form
   225,180/486,443.25 = 486,443.25/x
3. Step 3: Cross multiply
   225,180x = 486,443.25 × 486,443.25
4. Step 4: Simplify right side
   225,180x = 236,627,035,470.56
5. Step 5: Solve for x
   x = 236,627,035,470.56/225,180
6. Step 6: Final answer
   x = 1,050,835.05