Finding the Third Proportional to 543,857 and 1,184,485

Step by Step Solution

1. Step 1: Write the proportion equation
   543,857 : 1,184,485 = 1,184,485 : x
2. Step 2: Convert to fraction form
   543,857/1,184,485 = 1,184,485/x
3. Step 3: Cross multiply
   543,857x = 1,184,485 × 1,184,485
4. Step 4: Simplify right side
   543,857x = 1,403,004,715,225
5. Step 5: Solve for x
   x = 1,403,004,715,225/543,857
6. Step 6: Final answer
   x = 2,579,730.91