Finding the Third Proportional to 639,860 and 1,481,314

Step by Step Solution

1. Step 1: Write the proportion equation
   639,860 : 1,481,314 = 1,481,314 : x
2. Step 2: Convert to fraction form
   639,860/1,481,314 = 1,481,314/x
3. Step 3: Cross multiply
   639,860x = 1,481,314 × 1,481,314
4. Step 4: Simplify right side
   639,860x = 2,194,291,166,596
5. Step 5: Solve for x
   x = 2,194,291,166,596/639,860
6. Step 6: Final answer
   x = 3,429,330.11