Finding the Third Proportional to 815,476 and 1,259,574

Step by Step Solution

1. Step 1: Write the proportion equation
   815,476 : 1,259,574 = 1,259,574 : x
2. Step 2: Convert to fraction form
   815,476/1,259,574 = 1,259,574/x
3. Step 3: Cross multiply
   815,476x = 1,259,574 × 1,259,574
4. Step 4: Simplify right side
   815,476x = 1,586,526,661,476
5. Step 5: Solve for x
   x = 1,586,526,661,476/815,476
6. Step 6: Final answer
   x = 1,945,522.20