Finding the Third Proportional to 326,161.50 and 459,306

Step by Step Solution

1. Step 1: Write the proportion equation
   326,161.50 : 459,306 = 459,306 : x
2. Step 2: Convert to fraction form
   326,161.50/459,306 = 459,306/x
3. Step 3: Cross multiply
   326,161.50x = 459,306 × 459,306
4. Step 4: Simplify right side
   326,161.50x = 210,962,001,636
5. Step 5: Solve for x
   x = 210,962,001,636/326,161.50
6. Step 6: Final answer
   x = 646,802.28