Finding the Third Proportional to 435,550.50 and 659,886

Step by Step Solution

1. Step 1: Write the proportion equation
   435,550.50 : 659,886 = 659,886 : x
2. Step 2: Convert to fraction form
   435,550.50/659,886 = 659,886/x
3. Step 3: Cross multiply
   435,550.50x = 659,886 × 659,886
4. Step 4: Simplify right side
   435,550.50x = 435,449,532,996
5. Step 5: Solve for x
   x = 435,449,532,996/435,550.50
6. Step 6: Final answer
   x = 999,768.19