Finding the Third Proportional to 670,728 and 1,012,368

Step by Step Solution

1. Step 1: Write the proportion equation
   670,728 : 1,012,368 = 1,012,368 : x
2. Step 2: Convert to fraction form
   670,728/1,012,368 = 1,012,368/x
3. Step 3: Cross multiply
   670,728x = 1,012,368 × 1,012,368
4. Step 4: Simplify right side
   670,728x = 1,024,888,967,424
5. Step 5: Solve for x
   x = 1,024,888,967,424/670,728
6. Step 6: Final answer
   x = 1,528,024.72