Finding the Third Proportional to 228,848 and 498,380

Step by Step Solution

1. Step 1: Write the proportion equation
   228,848 : 498,380 = 498,380 : x
2. Step 2: Convert to fraction form
   228,848/498,380 = 498,380/x
3. Step 3: Cross multiply
   228,848x = 498,380 × 498,380
4. Step 4: Simplify right side
   228,848x = 248,382,624,400
5. Step 5: Solve for x
   x = 248,382,624,400/228,848
6. Step 6: Final answer
   x = 1,085,360.70