Finding the Third Proportional to 300,118 and 634,012

Step by Step Solution

1. Step 1: Write the proportion equation
   300,118 : 634,012 = 634,012 : x
2. Step 2: Convert to fraction form
   300,118/634,012 = 634,012/x
3. Step 3: Cross multiply
   300,118x = 634,012 × 634,012
4. Step 4: Simplify right side
   300,118x = 401,971,216,144
5. Step 5: Solve for x
   x = 401,971,216,144/300,118
6. Step 6: Final answer
   x = 1,339,377.23