Finding the Third Proportional to 491,280 and 1,019,488

Step by Step Solution

1. Step 1: Write the proportion equation
   491,280 : 1,019,488 = 1,019,488 : x
2. Step 2: Convert to fraction form
   491,280/1,019,488 = 1,019,488/x
3. Step 3: Cross multiply
   491,280x = 1,019,488 × 1,019,488
4. Step 4: Simplify right side
   491,280x = 1,039,355,782,144
5. Step 5: Solve for x
   x = 1,039,355,782,144/491,280
6. Step 6: Final answer
   x = 2,115,607.76