Finding the Third Proportional to 323,716.50 and 694,089

Step by Step Solution

1. Step 1: Write the proportion equation
   323,716.50 : 694,089 = 694,089 : x
2. Step 2: Convert to fraction form
   323,716.50/694,089 = 694,089/x
3. Step 3: Cross multiply
   323,716.50x = 694,089 × 694,089
4. Step 4: Simplify right side
   323,716.50x = 481,759,539,921
5. Step 5: Solve for x
   x = 481,759,539,921/323,716.50
6. Step 6: Final answer
   x = 1,488,214.35