Finding the Third Proportional to 505,564 and 1,085,485

Step by Step Solution

1. Step 1: Write the proportion equation
   505,564 : 1,085,485 = 1,085,485 : x
2. Step 2: Convert to fraction form
   505,564/1,085,485 = 1,085,485/x
3. Step 3: Cross multiply
   505,564x = 1,085,485 × 1,085,485
4. Step 4: Simplify right side
   505,564x = 1,178,277,685,225
5. Step 5: Solve for x
   x = 1,178,277,685,225/505,564
6. Step 6: Final answer
   x = 2,330,620.23