Finding the Third Proportional to 315,672 and 444,012

Step by Step Solution

1. Step 1: Write the proportion equation
   315,672 : 444,012 = 444,012 : x
2. Step 2: Convert to fraction form
   315,672/444,012 = 444,012/x
3. Step 3: Cross multiply
   315,672x = 444,012 × 444,012
4. Step 4: Simplify right side
   315,672x = 197,146,656,144
5. Step 5: Solve for x
   x = 197,146,656,144/315,672
6. Step 6: Final answer
   x = 624,530.07