Finding the Third Proportional to 1,381,444 and 2,131,254

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,444 : 2,131,254 = 2,131,254 : x
2. Step 2: Convert to fraction form
   1,381,444/2,131,254 = 2,131,254/x
3. Step 3: Cross multiply
   1,381,444x = 2,131,254 × 2,131,254
4. Step 4: Simplify right side
   1,381,444x = 4,542,243,612,516
5. Step 5: Solve for x
   x = 4,542,243,612,516/1,381,444
6. Step 6: Final answer
   x = 3,288,040.35