Finding the Third Proportional to 128,073 and 187,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,073 : 187,951.50 = 187,951.50 : x
2. Step 2: Convert to fraction form
   128,073/187,951.50 = 187,951.50/x
3. Step 3: Cross multiply
   128,073x = 187,951.50 × 187,951.50
4. Step 4: Simplify right side
   128,073x = 35,325,766,352.25
5. Step 5: Solve for x
   x = 35,325,766,352.25/128,073
6. Step 6: Final answer
   x = 275,825.24