Finding the Third Proportional to 228,919.50 and 478,749

Step by Step Solution

1. Step 1: Write the proportion equation
   228,919.50 : 478,749 = 478,749 : x
2. Step 2: Convert to fraction form
   228,919.50/478,749 = 478,749/x
3. Step 3: Cross multiply
   228,919.50x = 478,749 × 478,749
4. Step 4: Simplify right side
   228,919.50x = 229,200,605,001
5. Step 5: Solve for x
   x = 229,200,605,001/228,919.50
6. Step 6: Final answer
   x = 1,001,227.96