Finding the Third Proportional to 85,357 and 122,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,357 : 122,951.50 = 122,951.50 : x
2. Step 2: Convert to fraction form
   85,357/122,951.50 = 122,951.50/x
3. Step 3: Cross multiply
   85,357x = 122,951.50 × 122,951.50
4. Step 4: Simplify right side
   85,357x = 15,117,071,352.25
5. Step 5: Solve for x
   x = 15,117,071,352.25/85,357
6. Step 6: Final answer
   x = 177,104.06