Finding the Third Proportional to 654,867 and 1,431,476

Step by Step Solution

1. Step 1: Write the proportion equation
   654,867 : 1,431,476 = 1,431,476 : x
2. Step 2: Convert to fraction form
   654,867/1,431,476 = 1,431,476/x
3. Step 3: Cross multiply
   654,867x = 1,431,476 × 1,431,476
4. Step 4: Simplify right side
   654,867x = 2,049,123,538,576
5. Step 5: Solve for x
   x = 2,049,123,538,576/654,867
6. Step 6: Final answer
   x = 3,129,068.25