Finding the Third Proportional to 316,494 and 682,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   316,494 : 682,924.50 = 682,924.50 : x
2. Step 2: Convert to fraction form
   316,494/682,924.50 = 682,924.50/x
3. Step 3: Cross multiply
   316,494x = 682,924.50 × 682,924.50
4. Step 4: Simplify right side
   316,494x = 466,385,872,700.25
5. Step 5: Solve for x
   x = 466,385,872,700.25/316,494
6. Step 6: Final answer
   x = 1,473,600.99