Finding the Third Proportional to 222,766 and 480,308

Step by Step Solution

1. Step 1: Write the proportion equation
   222,766 : 480,308 = 480,308 : x
2. Step 2: Convert to fraction form
   222,766/480,308 = 480,308/x
3. Step 3: Cross multiply
   222,766x = 480,308 × 480,308
4. Step 4: Simplify right side
   222,766x = 230,695,774,864
5. Step 5: Solve for x
   x = 230,695,774,864/222,766
6. Step 6: Final answer
   x = 1,035,596.88