Finding the Third Proportional to 34,072.31 and 51,723.56

Step by Step Solution

1. Step 1: Write the proportion equation
   34,072.31 : 51,723.56 = 51,723.56 : x
2. Step 2: Convert to fraction form
   34,072.31/51,723.56 = 51,723.56/x
3. Step 3: Cross multiply
   34,072.31x = 51,723.56 × 51,723.56
4. Step 4: Simplify right side
   34,072.31x = 2,675,326,917.69
5. Step 5: Solve for x
   x = 2,675,326,917.69/34,072.31
6. Step 6: Final answer
   x = 78,519.09