Finding the Third Proportional to 646,382 and 1,396,012

Step by Step Solution

1. Step 1: Write the proportion equation
   646,382 : 1,396,012 = 1,396,012 : x
2. Step 2: Convert to fraction form
   646,382/1,396,012 = 1,396,012/x
3. Step 3: Cross multiply
   646,382x = 1,396,012 × 1,396,012
4. Step 4: Simplify right side
   646,382x = 1,948,849,504,144
5. Step 5: Solve for x
   x = 1,948,849,504,144/646,382
6. Step 6: Final answer
   x = 3,015,012.03