Finding the Third Proportional to 470,631 and 707,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,631 : 707,020.50 = 707,020.50 : x
2. Step 2: Convert to fraction form
   470,631/707,020.50 = 707,020.50/x
3. Step 3: Cross multiply
   470,631x = 707,020.50 × 707,020.50
4. Step 4: Simplify right side
   470,631x = 499,877,987,420.25
5. Step 5: Solve for x
   x = 499,877,987,420.25/470,631
6. Step 6: Final answer
   x = 1,062,144.20