Finding the Third Proportional to 435,416 and 659,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,416 : 659,692.50 = 659,692.50 : x
2. Step 2: Convert to fraction form
   435,416/659,692.50 = 659,692.50/x
3. Step 3: Cross multiply
   435,416x = 659,692.50 × 659,692.50
4. Step 4: Simplify right side
   435,416x = 435,194,194,556.25
5. Step 5: Solve for x
   x = 435,194,194,556.25/435,416
6. Step 6: Final answer
   x = 999,490.59