Finding the Third Proportional to 1,203,898 and 2,507,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,898 : 2,507,442 = 2,507,442 : x
2. Step 2: Convert to fraction form
   1,203,898/2,507,442 = 2,507,442/x
3. Step 3: Cross multiply
   1,203,898x = 2,507,442 × 2,507,442
4. Step 4: Simplify right side
   1,203,898x = 6,287,265,383,364
5. Step 5: Solve for x
   x = 6,287,265,383,364/1,203,898
6. Step 6: Final answer
   x = 5,222,423.65