Finding the Third Proportional to 226,820 and 488,308

Step by Step Solution

1. Step 1: Write the proportion equation
   226,820 : 488,308 = 488,308 : x
2. Step 2: Convert to fraction form
   226,820/488,308 = 488,308/x
3. Step 3: Cross multiply
   226,820x = 488,308 × 488,308
4. Step 4: Simplify right side
   226,820x = 238,444,702,864
5. Step 5: Solve for x
   x = 238,444,702,864/226,820
6. Step 6: Final answer
   x = 1,051,250.78