Finding the Third Proportional to 617,760 and 1,353,616

Step by Step Solution

1. Step 1: Write the proportion equation
   617,760 : 1,353,616 = 1,353,616 : x
2. Step 2: Convert to fraction form
   617,760/1,353,616 = 1,353,616/x
3. Step 3: Cross multiply
   617,760x = 1,353,616 × 1,353,616
4. Step 4: Simplify right side
   617,760x = 1,832,276,275,456
5. Step 5: Solve for x
   x = 1,832,276,275,456/617,760
6. Step 6: Final answer
   x = 2,966,000.19