Finding the Third Proportional to 815,811 and 1,749,717

Step by Step Solution

1. Step 1: Write the proportion equation
   815,811 : 1,749,717 = 1,749,717 : x
2. Step 2: Convert to fraction form
   815,811/1,749,717 = 1,749,717/x
3. Step 3: Cross multiply
   815,811x = 1,749,717 × 1,749,717
4. Step 4: Simplify right side
   815,811x = 3,061,509,580,089
5. Step 5: Solve for x
   x = 3,061,509,580,089/815,811
6. Step 6: Final answer
   x = 3,752,719.17