Finding the Third Proportional to 222,924 and 480,678

Step by Step Solution

1. Step 1: Write the proportion equation
   222,924 : 480,678 = 480,678 : x
2. Step 2: Convert to fraction form
   222,924/480,678 = 480,678/x
3. Step 3: Cross multiply
   222,924x = 480,678 × 480,678
4. Step 4: Simplify right side
   222,924x = 231,051,339,684
5. Step 5: Solve for x
   x = 231,051,339,684/222,924
6. Step 6: Final answer
   x = 1,036,457.89