Finding the Third Proportional to 685,227 and 1,044,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   685,227 : 1,044,022.50 = 1,044,022.50 : x
2. Step 2: Convert to fraction form
   685,227/1,044,022.50 = 1,044,022.50/x
3. Step 3: Cross multiply
   685,227x = 1,044,022.50 × 1,044,022.50
4. Step 4: Simplify right side
   685,227x = 1,089,982,980,506.25
5. Step 5: Solve for x
   x = 1,089,982,980,506.25/685,227
6. Step 6: Final answer
   x = 1,590,688.90