Finding the Third Proportional to 280,152 and 599,670

Step by Step Solution

1. Step 1: Write the proportion equation
   280,152 : 599,670 = 599,670 : x
2. Step 2: Convert to fraction form
   280,152/599,670 = 599,670/x
3. Step 3: Cross multiply
   280,152x = 599,670 × 599,670
4. Step 4: Simplify right side
   280,152x = 359,604,108,900
5. Step 5: Solve for x
   x = 359,604,108,900/280,152
6. Step 6: Final answer
   x = 1,283,603.58