Finding the Third Proportional to 617,592 and 1,320,798

Step by Step Solution

1. Step 1: Write the proportion equation
   617,592 : 1,320,798 = 1,320,798 : x
2. Step 2: Convert to fraction form
   617,592/1,320,798 = 1,320,798/x
3. Step 3: Cross multiply
   617,592x = 1,320,798 × 1,320,798
4. Step 4: Simplify right side
   617,592x = 1,744,507,356,804
5. Step 5: Solve for x
   x = 1,744,507,356,804/617,592
6. Step 6: Final answer
   x = 2,824,692.28