Finding the Third Proportional to 51,361.50 and 76,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,361.50 : 76,696.50 = 76,696.50 : x
2. Step 2: Convert to fraction form
   51,361.50/76,696.50 = 76,696.50/x
3. Step 3: Cross multiply
   51,361.50x = 76,696.50 × 76,696.50
4. Step 4: Simplify right side
   51,361.50x = 5,882,353,112.25
5. Step 5: Solve for x
   x = 5,882,353,112.25/51,361.50
6. Step 6: Final answer
   x = 114,528.45