Finding the Third Proportional to 604,865 and 1,320,412

Step by Step Solution

1. Step 1: Write the proportion equation
   604,865 : 1,320,412 = 1,320,412 : x
2. Step 2: Convert to fraction form
   604,865/1,320,412 = 1,320,412/x
3. Step 3: Cross multiply
   604,865x = 1,320,412 × 1,320,412
4. Step 4: Simplify right side
   604,865x = 1,743,487,849,744
5. Step 5: Solve for x
   x = 1,743,487,849,744/604,865
6. Step 6: Final answer
   x = 2,882,441.29