Finding the Third Proportional to 815,821 and 1,793,154

Step by Step Solution

1. Step 1: Write the proportion equation
   815,821 : 1,793,154 = 1,793,154 : x
2. Step 2: Convert to fraction form
   815,821/1,793,154 = 1,793,154/x
3. Step 3: Cross multiply
   815,821x = 1,793,154 × 1,793,154
4. Step 4: Simplify right side
   815,821x = 3,215,401,267,716
5. Step 5: Solve for x
   x = 3,215,401,267,716/815,821
6. Step 6: Final answer
   x = 3,941,307.31