Finding the Third Proportional to 51,296.63 and 76,739.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,296.63 : 76,739.06 = 76,739.06 : x
2. Step 2: Convert to fraction form
   51,296.63/76,739.06 = 76,739.06/x
3. Step 3: Cross multiply
   51,296.63x = 76,739.06 × 76,739.06
4. Step 4: Simplify right side
   51,296.63x = 5,888,883,713.38
5. Step 5: Solve for x
   x = 5,888,883,713.38/51,296.63
6. Step 6: Final answer
   x = 114,800.61