Finding the Third Proportional to 483,140 and 798,510

Step by Step Solution

1. Step 1: Write the proportion equation
   483,140 : 798,510 = 798,510 : x
2. Step 2: Convert to fraction form
   483,140/798,510 = 798,510/x
3. Step 3: Cross multiply
   483,140x = 798,510 × 798,510
4. Step 4: Simplify right side
   483,140x = 637,618,220,100
5. Step 5: Solve for x
   x = 637,618,220,100/483,140
6. Step 6: Final answer
   x = 1,319,738.01