Finding the Third Proportional to 814,555 and 1,789,368

Step by Step Solution

1. Step 1: Write the proportion equation
   814,555 : 1,789,368 = 1,789,368 : x
2. Step 2: Convert to fraction form
   814,555/1,789,368 = 1,789,368/x
3. Step 3: Cross multiply
   814,555x = 1,789,368 × 1,789,368
4. Step 4: Simplify right side
   814,555x = 3,201,837,839,424
5. Step 5: Solve for x
   x = 3,201,837,839,424/814,555
6. Step 6: Final answer
   x = 3,930,781.64