Finding the Third Proportional to 606,072 and 897,390

Step by Step Solution

1. Step 1: Write the proportion equation
   606,072 : 897,390 = 897,390 : x
2. Step 2: Convert to fraction form
   606,072/897,390 = 897,390/x
3. Step 3: Cross multiply
   606,072x = 897,390 × 897,390
4. Step 4: Simplify right side
   606,072x = 805,308,812,100
5. Step 5: Solve for x
   x = 805,308,812,100/606,072
6. Step 6: Final answer
   x = 1,328,734.56