Finding the Third Proportional to 223,888 and 488,864

Step by Step Solution

1. Step 1: Write the proportion equation
   223,888 : 488,864 = 488,864 : x
2. Step 2: Convert to fraction form
   223,888/488,864 = 488,864/x
3. Step 3: Cross multiply
   223,888x = 488,864 × 488,864
4. Step 4: Simplify right side
   223,888x = 238,988,010,496
5. Step 5: Solve for x
   x = 238,988,010,496/223,888
6. Step 6: Final answer
   x = 1,067,444.48