Finding the Third Proportional to 403,866 and 834,012

Step by Step Solution

1. Step 1: Write the proportion equation
   403,866 : 834,012 = 834,012 : x
2. Step 2: Convert to fraction form
   403,866/834,012 = 834,012/x
3. Step 3: Cross multiply
   403,866x = 834,012 × 834,012
4. Step 4: Simplify right side
   403,866x = 695,576,016,144
5. Step 5: Solve for x
   x = 695,576,016,144/403,866
6. Step 6: Final answer
   x = 1,722,294.07