Finding the Third Proportional to 1,201,648 and 1,855,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,648 : 1,855,458 = 1,855,458 : x
2. Step 2: Convert to fraction form
   1,201,648/1,855,458 = 1,855,458/x
3. Step 3: Cross multiply
   1,201,648x = 1,855,458 × 1,855,458
4. Step 4: Simplify right side
   1,201,648x = 3,442,724,389,764
5. Step 5: Solve for x
   x = 3,442,724,389,764/1,201,648
6. Step 6: Final answer
   x = 2,865,002.39