Finding the Third Proportional to 228,176 and 485,908

Step by Step Solution

1. Step 1: Write the proportion equation
   228,176 : 485,908 = 485,908 : x
2. Step 2: Convert to fraction form
   228,176/485,908 = 485,908/x
3. Step 3: Cross multiply
   228,176x = 485,908 × 485,908
4. Step 4: Simplify right side
   228,176x = 236,106,584,464
5. Step 5: Solve for x
   x = 236,106,584,464/228,176
6. Step 6: Final answer
   x = 1,034,756.44