Finding the Third Proportional to 1,203,890 and 2,507,426

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,890 : 2,507,426 = 2,507,426 : x
2. Step 2: Convert to fraction form
   1,203,890/2,507,426 = 2,507,426/x
3. Step 3: Cross multiply
   1,203,890x = 2,507,426 × 2,507,426
4. Step 4: Simplify right side
   1,203,890x = 6,287,185,145,476
5. Step 5: Solve for x
   x = 6,287,185,145,476/1,203,890
6. Step 6: Final answer
   x = 5,222,391.70