Finding the Third Proportional to 151,308 and 219,834

Step by Step Solution

1. Step 1: Write the proportion equation
   151,308 : 219,834 = 219,834 : x
2. Step 2: Convert to fraction form
   151,308/219,834 = 219,834/x
3. Step 3: Cross multiply
   151,308x = 219,834 × 219,834
4. Step 4: Simplify right side
   151,308x = 48,326,987,556
5. Step 5: Solve for x
   x = 48,326,987,556/151,308
6. Step 6: Final answer
   x = 319,394.79