Finding the Third Proportional to 436,959 and 659,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,959 : 659,443.50 = 659,443.50 : x
2. Step 2: Convert to fraction form
   436,959/659,443.50 = 659,443.50/x
3. Step 3: Cross multiply
   436,959x = 659,443.50 × 659,443.50
4. Step 4: Simplify right side
   436,959x = 434,865,729,692.25
5. Step 5: Solve for x
   x = 434,865,729,692.25/436,959
6. Step 6: Final answer
   x = 995,209.46