Finding the Third Proportional to 172,624.50 and 369,234

Step by Step Solution

1. Step 1: Write the proportion equation
   172,624.50 : 369,234 = 369,234 : x
2. Step 2: Convert to fraction form
   172,624.50/369,234 = 369,234/x
3. Step 3: Cross multiply
   172,624.50x = 369,234 × 369,234
4. Step 4: Simplify right side
   172,624.50x = 136,333,746,756
5. Step 5: Solve for x
   x = 136,333,746,756/172,624.50
6. Step 6: Final answer
   x = 789,770.55