Finding the Third Proportional to 51,206.55 and 76,955.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,206.55 : 76,955.06 = 76,955.06 : x
2. Step 2: Convert to fraction form
   51,206.55/76,955.06 = 76,955.06/x
3. Step 3: Cross multiply
   51,206.55x = 76,955.06 × 76,955.06
4. Step 4: Simplify right side
   51,206.55x = 5,922,081,644.38
5. Step 5: Solve for x
   x = 5,922,081,644.38/51,206.55
6. Step 6: Final answer
   x = 115,650.85