Finding the Third Proportional to 851,590 and 1,184,057

Step by Step Solution

1. Step 1: Write the proportion equation
   851,590 : 1,184,057 = 1,184,057 : x
2. Step 2: Convert to fraction form
   851,590/1,184,057 = 1,184,057/x
3. Step 3: Cross multiply
   851,590x = 1,184,057 × 1,184,057
4. Step 4: Simplify right side
   851,590x = 1,401,990,979,249
5. Step 5: Solve for x
   x = 1,401,990,979,249/851,590
6. Step 6: Final answer
   x = 1,646,321.56