Finding the Third Proportional to 725,222 and 1,019,469

Step by Step Solution

1. Step 1: Write the proportion equation
   725,222 : 1,019,469 = 1,019,469 : x
2. Step 2: Convert to fraction form
   725,222/1,019,469 = 1,019,469/x
3. Step 3: Cross multiply
   725,222x = 1,019,469 × 1,019,469
4. Step 4: Simplify right side
   725,222x = 1,039,317,041,961
5. Step 5: Solve for x
   x = 1,039,317,041,961/725,222
6. Step 6: Final answer
   x = 1,433,101.92