Finding the Third Proportional to 316,497 and 682,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   316,497 : 682,930.50 = 682,930.50 : x
2. Step 2: Convert to fraction form
   316,497/682,930.50 = 682,930.50/x
3. Step 3: Cross multiply
   316,497x = 682,930.50 × 682,930.50
4. Step 4: Simplify right side
   316,497x = 466,394,067,830.25
5. Step 5: Solve for x
   x = 466,394,067,830.25/316,497
6. Step 6: Final answer
   x = 1,473,612.92