Finding the Third Proportional to 679,122 and 919,033.50

Step by Step Solution

1. Step 1: Write the proportion equation
   679,122 : 919,033.50 = 919,033.50 : x
2. Step 2: Convert to fraction form
   679,122/919,033.50 = 919,033.50/x
3. Step 3: Cross multiply
   679,122x = 919,033.50 × 919,033.50
4. Step 4: Simplify right side
   679,122x = 844,622,574,122.25
5. Step 5: Solve for x
   x = 844,622,574,122.25/679,122
6. Step 6: Final answer
   x = 1,243,697.85