Finding the Third Proportional to 639,772 and 1,481,074

Step by Step Solution

1. Step 1: Write the proportion equation
   639,772 : 1,481,074 = 1,481,074 : x
2. Step 2: Convert to fraction form
   639,772/1,481,074 = 1,481,074/x
3. Step 3: Cross multiply
   639,772x = 1,481,074 × 1,481,074
4. Step 4: Simplify right side
   639,772x = 2,193,580,193,476
5. Step 5: Solve for x
   x = 2,193,580,193,476/639,772
6. Step 6: Final answer
   x = 3,428,690.52