Finding the Third Proportional to 510,355.69 and 769,636.69

Step by Step Solution

1. Step 1: Write the proportion equation
   510,355.69 : 769,636.69 = 769,636.69 : x
2. Step 2: Convert to fraction form
   510,355.69/769,636.69 = 769,636.69/x
3. Step 3: Cross multiply
   510,355.69x = 769,636.69 × 769,636.69
4. Step 4: Simplify right side
   510,355.69x = 592,340,630,745.97
5. Step 5: Solve for x
   x = 592,340,630,745.97/510,355.69
6. Step 6: Final answer
   x = 1,160,642.75