Finding the Third Proportional to 827,612 and 1,777,706

Step by Step Solution

1. Step 1: Write the proportion equation
   827,612 : 1,777,706 = 1,777,706 : x
2. Step 2: Convert to fraction form
   827,612/1,777,706 = 1,777,706/x
3. Step 3: Cross multiply
   827,612x = 1,777,706 × 1,777,706
4. Step 4: Simplify right side
   827,612x = 3,160,238,622,436
5. Step 5: Solve for x
   x = 3,160,238,622,436/827,612
6. Step 6: Final answer
   x = 3,818,502.66