Finding the Third Proportional to 323,012 and 707,556

Step by Step Solution

1. Step 1: Write the proportion equation
   323,012 : 707,556 = 707,556 : x
2. Step 2: Convert to fraction form
   323,012/707,556 = 707,556/x
3. Step 3: Cross multiply
   323,012x = 707,556 × 707,556
4. Step 4: Simplify right side
   323,012x = 500,635,493,136
5. Step 5: Solve for x
   x = 500,635,493,136/323,012
6. Step 6: Final answer
   x = 1,549,897.51