Finding the Third Proportional to 539,910 and 1,185,624

Step by Step Solution

1. Step 1: Write the proportion equation
   539,910 : 1,185,624 = 1,185,624 : x
2. Step 2: Convert to fraction form
   539,910/1,185,624 = 1,185,624/x
3. Step 3: Cross multiply
   539,910x = 1,185,624 × 1,185,624
4. Step 4: Simplify right side
   539,910x = 1,405,704,269,376
5. Step 5: Solve for x
   x = 1,405,704,269,376/539,910
6. Step 6: Final answer
   x = 2,603,589.99