Finding the Third Proportional to 459,308 and 675,354

Step by Step Solution

1. Step 1: Write the proportion equation
   459,308 : 675,354 = 675,354 : x
2. Step 2: Convert to fraction form
   459,308/675,354 = 675,354/x
3. Step 3: Cross multiply
   459,308x = 675,354 × 675,354
4. Step 4: Simplify right side
   459,308x = 456,103,025,316
5. Step 5: Solve for x
   x = 456,103,025,316/459,308
6. Step 6: Final answer
   x = 993,022.17