Finding the Third Proportional to 129,204 and 277,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,204 : 277,087.50 = 277,087.50 : x
2. Step 2: Convert to fraction form
   129,204/277,087.50 = 277,087.50/x
3. Step 3: Cross multiply
   129,204x = 277,087.50 × 277,087.50
4. Step 4: Simplify right side
   129,204x = 76,777,482,656.25
5. Step 5: Solve for x
   x = 76,777,482,656.25/129,204
6. Step 6: Final answer
   x = 594,234.56