Finding the Third Proportional to 322,455.50 and 683,326

Step by Step Solution

1. Step 1: Write the proportion equation
   322,455.50 : 683,326 = 683,326 : x
2. Step 2: Convert to fraction form
   322,455.50/683,326 = 683,326/x
3. Step 3: Cross multiply
   322,455.50x = 683,326 × 683,326
4. Step 4: Simplify right side
   322,455.50x = 466,934,422,276
5. Step 5: Solve for x
   x = 466,934,422,276/322,455.50
6. Step 6: Final answer
   x = 1,448,058.48