Finding the Third Proportional to 315,009 and 740,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,009 : 740,464.50 = 740,464.50 : x
2. Step 2: Convert to fraction form
   315,009/740,464.50 = 740,464.50/x
3. Step 3: Cross multiply
   315,009x = 740,464.50 × 740,464.50
4. Step 4: Simplify right side
   315,009x = 548,287,675,760.25
5. Step 5: Solve for x
   x = 548,287,675,760.25/315,009
6. Step 6: Final answer
   x = 1,740,546.07