Finding the Third Proportional to 328,207.50 and 712,494

Step by Step Solution

1. Step 1: Write the proportion equation
   328,207.50 : 712,494 = 712,494 : x
2. Step 2: Convert to fraction form
   328,207.50/712,494 = 712,494/x
3. Step 3: Cross multiply
   328,207.50x = 712,494 × 712,494
4. Step 4: Simplify right side
   328,207.50x = 507,647,700,036
5. Step 5: Solve for x
   x = 507,647,700,036/328,207.50
6. Step 6: Final answer
   x = 1,546,727.91