Finding the Third Proportional to 617,906 and 1,353,910

Step by Step Solution

1. Step 1: Write the proportion equation
   617,906 : 1,353,910 = 1,353,910 : x
2. Step 2: Convert to fraction form
   617,906/1,353,910 = 1,353,910/x
3. Step 3: Cross multiply
   617,906x = 1,353,910 × 1,353,910
4. Step 4: Simplify right side
   617,906x = 1,833,072,288,100
5. Step 5: Solve for x
   x = 1,833,072,288,100/617,906
6. Step 6: Final answer
   x = 2,966,587.62