Finding the Third Proportional to 709,431 and 1,019,859

Step by Step Solution

1. Step 1: Write the proportion equation
   709,431 : 1,019,859 = 1,019,859 : x
2. Step 2: Convert to fraction form
   709,431/1,019,859 = 1,019,859/x
3. Step 3: Cross multiply
   709,431x = 1,019,859 × 1,019,859
4. Step 4: Simplify right side
   709,431x = 1,040,112,379,881
5. Step 5: Solve for x
   x = 1,040,112,379,881/709,431
6. Step 6: Final answer
   x = 1,466,121.98