Finding the Third Proportional to 388,496 and 599,997

Step by Step Solution

1. Step 1: Write the proportion equation
   388,496 : 599,997 = 599,997 : x
2. Step 2: Convert to fraction form
   388,496/599,997 = 599,997/x
3. Step 3: Cross multiply
   388,496x = 599,997 × 599,997
4. Step 4: Simplify right side
   388,496x = 359,996,400,009
5. Step 5: Solve for x
   x = 359,996,400,009/388,496
6. Step 6: Final answer
   x = 926,641.20