Finding the Third Proportional to 617,909 and 1,353,922

Step by Step Solution

1. Step 1: Write the proportion equation
   617,909 : 1,353,922 = 1,353,922 : x
2. Step 2: Convert to fraction form
   617,909/1,353,922 = 1,353,922/x
3. Step 3: Cross multiply
   617,909x = 1,353,922 × 1,353,922
4. Step 4: Simplify right side
   617,909x = 1,833,104,782,084
5. Step 5: Solve for x
   x = 1,833,104,782,084/617,909
6. Step 6: Final answer
   x = 2,966,625.80