Finding the Third Proportional to 143,609 and 301,914

Step by Step Solution

1. Step 1: Write the proportion equation
   143,609 : 301,914 = 301,914 : x
2. Step 2: Convert to fraction form
   143,609/301,914 = 301,914/x
3. Step 3: Cross multiply
   143,609x = 301,914 × 301,914
4. Step 4: Simplify right side
   143,609x = 91,152,063,396
5. Step 5: Solve for x
   x = 91,152,063,396/143,609
6. Step 6: Final answer
   x = 634,723.89