Finding the Third Proportional to 51,086.25 and 76,700.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,086.25 : 76,700.25 = 76,700.25 : x
2. Step 2: Convert to fraction form
   51,086.25/76,700.25 = 76,700.25/x
3. Step 3: Cross multiply
   51,086.25x = 76,700.25 × 76,700.25
4. Step 4: Simplify right side
   51,086.25x = 5,882,928,350.06
5. Step 5: Solve for x
   x = 5,882,928,350.06/51,086.25
6. Step 6: Final answer
   x = 115,156.79