Finding the Third Proportional to 831,315 and 1,786,949

Step by Step Solution

1. Step 1: Write the proportion equation
   831,315 : 1,786,949 = 1,786,949 : x
2. Step 2: Convert to fraction form
   831,315/1,786,949 = 1,786,949/x
3. Step 3: Cross multiply
   831,315x = 1,786,949 × 1,786,949
4. Step 4: Simplify right side
   831,315x = 3,193,186,728,601
5. Step 5: Solve for x
   x = 3,193,186,728,601/831,315
6. Step 6: Final answer
   x = 3,841,127.28