Finding the Third Proportional to 1,315,793 and 1,983,405

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,793 : 1,983,405 = 1,983,405 : x
2. Step 2: Convert to fraction form
   1,315,793/1,983,405 = 1,983,405/x
3. Step 3: Cross multiply
   1,315,793x = 1,983,405 × 1,983,405
4. Step 4: Simplify right side
   1,315,793x = 3,933,895,394,025
5. Step 5: Solve for x
   x = 3,933,895,394,025/1,315,793
6. Step 6: Final answer
   x = 2,989,752.49