Finding the Third Proportional to 306,027 and 459,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   306,027 : 459,040.50 = 459,040.50 : x
2. Step 2: Convert to fraction form
   306,027/459,040.50 = 459,040.50/x
3. Step 3: Cross multiply
   306,027x = 459,040.50 × 459,040.50
4. Step 4: Simplify right side
   306,027x = 210,718,180,640.25
5. Step 5: Solve for x
   x = 210,718,180,640.25/306,027
6. Step 6: Final answer
   x = 688,560.75