Finding the Third Proportional to 612,768 and 1,309,704

Step by Step Solution

1. Step 1: Write the proportion equation
   612,768 : 1,309,704 = 1,309,704 : x
2. Step 2: Convert to fraction form
   612,768/1,309,704 = 1,309,704/x
3. Step 3: Cross multiply
   612,768x = 1,309,704 × 1,309,704
4. Step 4: Simplify right side
   612,768x = 1,715,324,567,616
5. Step 5: Solve for x
   x = 1,715,324,567,616/612,768
6. Step 6: Final answer
   x = 2,799,305.07