Finding the Third Proportional to 639,768 and 1,481,064

Step by Step Solution

1. Step 1: Write the proportion equation
   639,768 : 1,481,064 = 1,481,064 : x
2. Step 2: Convert to fraction form
   639,768/1,481,064 = 1,481,064/x
3. Step 3: Cross multiply
   639,768x = 1,481,064 × 1,481,064
4. Step 4: Simplify right side
   639,768x = 2,193,550,572,096
5. Step 5: Solve for x
   x = 2,193,550,572,096/639,768
6. Step 6: Final answer
   x = 3,428,665.66