Finding the Third Proportional to 302,404 and 446,710

Step by Step Solution

1. Step 1: Write the proportion equation
   302,404 : 446,710 = 446,710 : x
2. Step 2: Convert to fraction form
   302,404/446,710 = 446,710/x
3. Step 3: Cross multiply
   302,404x = 446,710 × 446,710
4. Step 4: Simplify right side
   302,404x = 199,549,824,100
5. Step 5: Solve for x
   x = 199,549,824,100/302,404
6. Step 6: Final answer
   x = 659,878.26