Finding the Third Proportional to 1,305,989.25 and 1,978,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305,989.25 : 1,978,735.50 = 1,978,735.50 : x
2. Step 2: Convert to fraction form
   1,305,989.25/1,978,735.50 = 1,978,735.50/x
3. Step 3: Cross multiply
   1,305,989.25x = 1,978,735.50 × 1,978,735.50
4. Step 4: Simplify right side
   1,305,989.25x = 3,915,394,178,960.25
5. Step 5: Solve for x
   x = 3,915,394,178,960.25/1,305,989.25
6. Step 6: Final answer
   x = 2,998,029.41