Finding the Third Proportional to 393,227 and 860,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,227 : 860,046.50 = 860,046.50 : x
2. Step 2: Convert to fraction form
   393,227/860,046.50 = 860,046.50/x
3. Step 3: Cross multiply
   393,227x = 860,046.50 × 860,046.50
4. Step 4: Simplify right side
   393,227x = 739,679,982,162.25
5. Step 5: Solve for x
   x = 739,679,982,162.25/393,227
6. Step 6: Final answer
   x = 1,881,050.85