Finding the Third Proportional to 36,578.25 and 78,613.88

Step by Step Solution

1. Step 1: Write the proportion equation
   36,578.25 : 78,613.88 = 78,613.88 : x
2. Step 2: Convert to fraction form
   36,578.25/78,613.88 = 78,613.88/x
3. Step 3: Cross multiply
   36,578.25x = 78,613.88 × 78,613.88
4. Step 4: Simplify right side
   36,578.25x = 6,180,141,342.52
5. Step 5: Solve for x
   x = 6,180,141,342.52/36,578.25
6. Step 6: Final answer
   x = 168,956.73