Finding the Third Proportional to 36,217.69 and 78,464.81

Step by Step Solution

1. Step 1: Write the proportion equation
   36,217.69 : 78,464.81 = 78,464.81 : x
2. Step 2: Convert to fraction form
   36,217.69/78,464.81 = 78,464.81/x
3. Step 3: Cross multiply
   36,217.69x = 78,464.81 × 78,464.81
4. Step 4: Simplify right side
   36,217.69x = 6,156,726,800.66
5. Step 5: Solve for x
   x = 6,156,726,800.66/36,217.69
6. Step 6: Final answer
   x = 169,992.27