Finding the Third Proportional to 617,738 and 1,353,574

Step by Step Solution

1. Step 1: Write the proportion equation
   617,738 : 1,353,574 = 1,353,574 : x
2. Step 2: Convert to fraction form
   617,738/1,353,574 = 1,353,574/x
3. Step 3: Cross multiply
   617,738x = 1,353,574 × 1,353,574
4. Step 4: Simplify right side
   617,738x = 1,832,162,573,476
5. Step 5: Solve for x
   x = 1,832,162,573,476/617,738
6. Step 6: Final answer
   x = 2,965,921.76