Finding the Third Proportional to 1,025,198 and 2,243,399

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,198 : 2,243,399 = 2,243,399 : x
2. Step 2: Convert to fraction form
   1,025,198/2,243,399 = 2,243,399/x
3. Step 3: Cross multiply
   1,025,198x = 2,243,399 × 2,243,399
4. Step 4: Simplify right side
   1,025,198x = 5,032,839,073,201
5. Step 5: Solve for x
   x = 5,032,839,073,201/1,025,198
6. Step 6: Final answer
   x = 4,909,138.60