Finding the Third Proportional to 654,874 and 1,431,479

Step by Step Solution

1. Step 1: Write the proportion equation
   654,874 : 1,431,479 = 1,431,479 : x
2. Step 2: Convert to fraction form
   654,874/1,431,479 = 1,431,479/x
3. Step 3: Cross multiply
   654,874x = 1,431,479 × 1,431,479
4. Step 4: Simplify right side
   654,874x = 2,049,132,127,441
5. Step 5: Solve for x
   x = 2,049,132,127,441/654,874
6. Step 6: Final answer
   x = 3,129,047.92