Finding the Third Proportional to 80,145 and 124,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,145 : 124,087.50 = 124,087.50 : x
2. Step 2: Convert to fraction form
   80,145/124,087.50 = 124,087.50/x
3. Step 3: Cross multiply
   80,145x = 124,087.50 × 124,087.50
4. Step 4: Simplify right side
   80,145x = 15,397,707,656.25
5. Step 5: Solve for x
   x = 15,397,707,656.25/80,145
6. Step 6: Final answer
   x = 192,123.12