Finding the Third Proportional to 308,086 and 662,012

Step by Step Solution

1. Step 1: Write the proportion equation
   308,086 : 662,012 = 662,012 : x
2. Step 2: Convert to fraction form
   308,086/662,012 = 662,012/x
3. Step 3: Cross multiply
   308,086x = 662,012 × 662,012
4. Step 4: Simplify right side
   308,086x = 438,259,888,144
5. Step 5: Solve for x
   x = 438,259,888,144/308,086
6. Step 6: Final answer
   x = 1,422,524.52