Finding the Third Proportional to 815,328 and 1,199,007

Step by Step Solution

1. Step 1: Write the proportion equation
   815,328 : 1,199,007 = 1,199,007 : x
2. Step 2: Convert to fraction form
   815,328/1,199,007 = 1,199,007/x
3. Step 3: Cross multiply
   815,328x = 1,199,007 × 1,199,007
4. Step 4: Simplify right side
   815,328x = 1,437,617,786,049
5. Step 5: Solve for x
   x = 1,437,617,786,049/815,328
6. Step 6: Final answer
   x = 1,763,238.58