Finding the Third Proportional to 228,876 and 478,672

Step by Step Solution

1. Step 1: Write the proportion equation
   228,876 : 478,672 = 478,672 : x
2. Step 2: Convert to fraction form
   228,876/478,672 = 478,672/x
3. Step 3: Cross multiply
   228,876x = 478,672 × 478,672
4. Step 4: Simplify right side
   228,876x = 229,126,883,584
5. Step 5: Solve for x
   x = 229,126,883,584/228,876
6. Step 6: Final answer
   x = 1,001,096.16