Finding the Third Proportional to 1,217,868 and 1,855,526

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,868 : 1,855,526 = 1,855,526 : x
2. Step 2: Convert to fraction form
   1,217,868/1,855,526 = 1,855,526/x
3. Step 3: Cross multiply
   1,217,868x = 1,855,526 × 1,855,526
4. Step 4: Simplify right side
   1,217,868x = 3,442,976,736,676
5. Step 5: Solve for x
   x = 3,442,976,736,676/1,217,868
6. Step 6: Final answer
   x = 2,827,052.47