Finding the Third Proportional to 51,718.50 and 79,081.95

Step by Step Solution

1. Step 1: Write the proportion equation
   51,718.50 : 79,081.95 = 79,081.95 : x
2. Step 2: Convert to fraction form
   51,718.50/79,081.95 = 79,081.95/x
3. Step 3: Cross multiply
   51,718.50x = 79,081.95 × 79,081.95
4. Step 4: Simplify right side
   51,718.50x = 6,253,954,074.41
5. Step 5: Solve for x
   x = 6,253,954,074.41/51,718.50
6. Step 6: Final answer
   x = 120,922.96