Finding the Third Proportional to 56,512.69 and 76,960.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,512.69 : 76,960.69 = 76,960.69 : x
2. Step 2: Convert to fraction form
   56,512.69/76,960.69 = 76,960.69/x
3. Step 3: Cross multiply
   56,512.69x = 76,960.69 × 76,960.69
4. Step 4: Simplify right side
   56,512.69x = 5,922,947,420.47
5. Step 5: Solve for x
   x = 5,922,947,420.47/56,512.69
6. Step 6: Final answer
   x = 104,807.39