Finding the Third Proportional to 1,143,402 and 2,257,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,402 : 2,257,890 = 2,257,890 : x
2. Step 2: Convert to fraction form
   1,143,402/2,257,890 = 2,257,890/x
3. Step 3: Cross multiply
   1,143,402x = 2,257,890 × 2,257,890
4. Step 4: Simplify right side
   1,143,402x = 5,098,067,252,100
5. Step 5: Solve for x
   x = 5,098,067,252,100/1,143,402
6. Step 6: Final answer
   x = 4,458,683.17