Finding the Third Proportional to 617,105 and 1,349,554

Step by Step Solution

1. Step 1: Write the proportion equation
   617,105 : 1,349,554 = 1,349,554 : x
2. Step 2: Convert to fraction form
   617,105/1,349,554 = 1,349,554/x
3. Step 3: Cross multiply
   617,105x = 1,349,554 × 1,349,554
4. Step 4: Simplify right side
   617,105x = 1,821,295,998,916
5. Step 5: Solve for x
   x = 1,821,295,998,916/617,105
6. Step 6: Final answer
   x = 2,951,355.12