Finding the Third Proportional to 649,554 and 1,020,378

Step by Step Solution

1. Step 1: Write the proportion equation
   649,554 : 1,020,378 = 1,020,378 : x
2. Step 2: Convert to fraction form
   649,554/1,020,378 = 1,020,378/x
3. Step 3: Cross multiply
   649,554x = 1,020,378 × 1,020,378
4. Step 4: Simplify right side
   649,554x = 1,041,171,262,884
5. Step 5: Solve for x
   x = 1,041,171,262,884/649,554
6. Step 6: Final answer
   x = 1,602,901.78