Finding the Third Proportional to 395,347.50 and 862,245

Step by Step Solution

1. Step 1: Write the proportion equation
   395,347.50 : 862,245 = 862,245 : x
2. Step 2: Convert to fraction form
   395,347.50/862,245 = 862,245/x
3. Step 3: Cross multiply
   395,347.50x = 862,245 × 862,245
4. Step 4: Simplify right side
   395,347.50x = 743,466,440,025
5. Step 5: Solve for x
   x = 743,466,440,025/395,347.50
6. Step 6: Final answer
   x = 1,880,539.12