Finding the Third Proportional to 56,733.75 and 77,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,733.75 : 77,087.25 = 77,087.25 : x
2. Step 2: Convert to fraction form
   56,733.75/77,087.25 = 77,087.25/x
3. Step 3: Cross multiply
   56,733.75x = 77,087.25 × 77,087.25
4. Step 4: Simplify right side
   56,733.75x = 5,942,444,112.56
5. Step 5: Solve for x
   x = 5,942,444,112.56/56,733.75
6. Step 6: Final answer
   x = 104,742.66