Finding the Third Proportional to 459,364.50 and 675,918

Step by Step Solution

1. Step 1: Write the proportion equation
   459,364.50 : 675,918 = 675,918 : x
2. Step 2: Convert to fraction form
   459,364.50/675,918 = 675,918/x
3. Step 3: Cross multiply
   459,364.50x = 675,918 × 675,918
4. Step 4: Simplify right side
   459,364.50x = 456,865,142,724
5. Step 5: Solve for x
   x = 456,865,142,724/459,364.50
6. Step 6: Final answer
   x = 994,559.10