Finding the Third Proportional to 617,904 and 1,353,906

Step by Step Solution

1. Step 1: Write the proportion equation
   617,904 : 1,353,906 = 1,353,906 : x
2. Step 2: Convert to fraction form
   617,904/1,353,906 = 1,353,906/x
3. Step 3: Cross multiply
   617,904x = 1,353,906 × 1,353,906
4. Step 4: Simplify right side
   617,904x = 1,833,061,456,836
5. Step 5: Solve for x
   x = 1,833,061,456,836/617,904
6. Step 6: Final answer
   x = 2,966,579.69