Finding the Third Proportional to 222,326 and 487,862

Step by Step Solution

1. Step 1: Write the proportion equation
   222,326 : 487,862 = 487,862 : x
2. Step 2: Convert to fraction form
   222,326/487,862 = 487,862/x
3. Step 3: Cross multiply
   222,326x = 487,862 × 487,862
4. Step 4: Simplify right side
   222,326x = 238,009,331,044
5. Step 5: Solve for x
   x = 238,009,331,044/222,326
6. Step 6: Final answer
   x = 1,070,542.05