Finding the Third Proportional to 609,519 and 1,320,738

Step by Step Solution

1. Step 1: Write the proportion equation
   609,519 : 1,320,738 = 1,320,738 : x
2. Step 2: Convert to fraction form
   609,519/1,320,738 = 1,320,738/x
3. Step 3: Cross multiply
   609,519x = 1,320,738 × 1,320,738
4. Step 4: Simplify right side
   609,519x = 1,744,348,864,644
5. Step 5: Solve for x
   x = 1,744,348,864,644/609,519
6. Step 6: Final answer
   x = 2,861,844.94