Finding the Third Proportional to 815,824 and 1,789,112

Step by Step Solution

1. Step 1: Write the proportion equation
   815,824 : 1,789,112 = 1,789,112 : x
2. Step 2: Convert to fraction form
   815,824/1,789,112 = 1,789,112/x
3. Step 3: Cross multiply
   815,824x = 1,789,112 × 1,789,112
4. Step 4: Simplify right side
   815,824x = 3,200,921,748,544
5. Step 5: Solve for x
   x = 3,200,921,748,544/815,824
6. Step 6: Final answer
   x = 3,923,544.48