Finding the Third Proportional to 229,151 and 501,678

Step by Step Solution

1. Step 1: Write the proportion equation
   229,151 : 501,678 = 501,678 : x
2. Step 2: Convert to fraction form
   229,151/501,678 = 501,678/x
3. Step 3: Cross multiply
   229,151x = 501,678 × 501,678
4. Step 4: Simplify right side
   229,151x = 251,680,815,684
5. Step 5: Solve for x
   x = 251,680,815,684/229,151
6. Step 6: Final answer
   x = 1,098,318.64