Finding the Third Proportional to 1,311,405.50 and 2,023,171.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,405.50 : 2,023,171.49 = 2,023,171.49 : x
2. Step 2: Convert to fraction form
   1,311,405.50/2,023,171.49 = 2,023,171.49/x
3. Step 3: Cross multiply
   1,311,405.50x = 2,023,171.49 × 2,023,171.49
4. Step 4: Simplify right side
   1,311,405.50x = 4,093,222,870,993.97
5. Step 5: Solve for x
   x = 4,093,222,870,993.97/1,311,405.50
6. Step 6: Final answer
   x = 3,121,248.81