Finding the Third Proportional to 435,433.50 and 659,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,433.50 : 659,713.50 = 659,713.50 : x
2. Step 2: Convert to fraction form
   435,433.50/659,713.50 = 659,713.50/x
3. Step 3: Cross multiply
   435,433.50x = 659,713.50 × 659,713.50
4. Step 4: Simplify right side
   435,433.50x = 435,221,902,082.25
5. Step 5: Solve for x
   x = 435,221,902,082.25/435,433.50
6. Step 6: Final answer
   x = 999,514.05