Finding the Third Proportional to 617,709 and 1,353,516

Step by Step Solution

1. Step 1: Write the proportion equation
   617,709 : 1,353,516 = 1,353,516 : x
2. Step 2: Convert to fraction form
   617,709/1,353,516 = 1,353,516/x
3. Step 3: Cross multiply
   617,709x = 1,353,516 × 1,353,516
4. Step 4: Simplify right side
   617,709x = 1,832,005,562,256
5. Step 5: Solve for x
   x = 1,832,005,562,256/617,709
6. Step 6: Final answer
   x = 2,965,806.82