Finding the Third Proportional to 815,806 and 1,749,707

Step by Step Solution

1. Step 1: Write the proportion equation
   815,806 : 1,749,707 = 1,749,707 : x
2. Step 2: Convert to fraction form
   815,806/1,749,707 = 1,749,707/x
3. Step 3: Cross multiply
   815,806x = 1,749,707 × 1,749,707
4. Step 4: Simplify right side
   815,806x = 3,061,474,585,849
5. Step 5: Solve for x
   x = 3,061,474,585,849/815,806
6. Step 6: Final answer
   x = 3,752,699.28