Finding the Third Proportional to 558,993 and 1,206,499

Step by Step Solution

1. Step 1: Write the proportion equation
   558,993 : 1,206,499 = 1,206,499 : x
2. Step 2: Convert to fraction form
   558,993/1,206,499 = 1,206,499/x
3. Step 3: Cross multiply
   558,993x = 1,206,499 × 1,206,499
4. Step 4: Simplify right side
   558,993x = 1,455,639,837,001
5. Step 5: Solve for x
   x = 1,455,639,837,001/558,993
6. Step 6: Final answer
   x = 2,604,039.47