Finding the Third Proportional to 654,890 and 1,431,524

Step by Step Solution

1. Step 1: Write the proportion equation
   654,890 : 1,431,524 = 1,431,524 : x
2. Step 2: Convert to fraction form
   654,890/1,431,524 = 1,431,524/x
3. Step 3: Cross multiply
   654,890x = 1,431,524 × 1,431,524
4. Step 4: Simplify right side
   654,890x = 2,049,260,962,576
5. Step 5: Solve for x
   x = 2,049,260,962,576/654,890
6. Step 6: Final answer
   x = 3,129,168.20