Finding the Third Proportional to 360,699.75 and 769,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   360,699.75 : 769,665.38 = 769,665.38 : x
2. Step 2: Convert to fraction form
   360,699.75/769,665.38 = 769,665.38/x
3. Step 3: Cross multiply
   360,699.75x = 769,665.38 × 769,665.38
4. Step 4: Simplify right side
   360,699.75x = 592,384,789,473.89
5. Step 5: Solve for x
   x = 592,384,789,473.89/360,699.75
6. Step 6: Final answer
   x = 1,642,321.04