Finding the Third Proportional to 668,042 and 1,401,730

Step by Step Solution

1. Step 1: Write the proportion equation
   668,042 : 1,401,730 = 1,401,730 : x
2. Step 2: Convert to fraction form
   668,042/1,401,730 = 1,401,730/x
3. Step 3: Cross multiply
   668,042x = 1,401,730 × 1,401,730
4. Step 4: Simplify right side
   668,042x = 1,964,846,992,900
5. Step 5: Solve for x
   x = 1,964,846,992,900/668,042
6. Step 6: Final answer
   x = 2,941,202.79