Finding the Third Proportional to 74,871.75 and 113,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,871.75 : 113,087.25 = 113,087.25 : x
2. Step 2: Convert to fraction form
   74,871.75/113,087.25 = 113,087.25/x
3. Step 3: Cross multiply
   74,871.75x = 113,087.25 × 113,087.25
4. Step 4: Simplify right side
   74,871.75x = 12,788,726,112.56
5. Step 5: Solve for x
   x = 12,788,726,112.56/74,871.75
6. Step 6: Final answer
   x = 170,808.43