Finding the Third Proportional to 626,144 and 1,340,832

Step by Step Solution

1. Step 1: Write the proportion equation
   626,144 : 1,340,832 = 1,340,832 : x
2. Step 2: Convert to fraction form
   626,144/1,340,832 = 1,340,832/x
3. Step 3: Cross multiply
   626,144x = 1,340,832 × 1,340,832
4. Step 4: Simplify right side
   626,144x = 1,797,830,452,224
5. Step 5: Solve for x
   x = 1,797,830,452,224/626,144
6. Step 6: Final answer
   x = 2,871,273.15