Finding the Third Proportional to 670,758 and 997,020

Step by Step Solution

1. Step 1: Write the proportion equation
   670,758 : 997,020 = 997,020 : x
2. Step 2: Convert to fraction form
   670,758/997,020 = 997,020/x
3. Step 3: Cross multiply
   670,758x = 997,020 × 997,020
4. Step 4: Simplify right side
   670,758x = 994,048,880,400
5. Step 5: Solve for x
   x = 994,048,880,400/670,758
6. Step 6: Final answer
   x = 1,481,978.42