Finding the Third Proportional to 852,796 and 1,865,821

Step by Step Solution

1. Step 1: Write the proportion equation
   852,796 : 1,865,821 = 1,865,821 : x
2. Step 2: Convert to fraction form
   852,796/1,865,821 = 1,865,821/x
3. Step 3: Cross multiply
   852,796x = 1,865,821 × 1,865,821
4. Step 4: Simplify right side
   852,796x = 3,481,288,004,041
5. Step 5: Solve for x
   x = 3,481,288,004,041/852,796
6. Step 6: Final answer
   x = 4,082,204.89