Finding the Third Proportional to 668,025 and 1,401,696

Step by Step Solution

1. Step 1: Write the proportion equation
   668,025 : 1,401,696 = 1,401,696 : x
2. Step 2: Convert to fraction form
   668,025/1,401,696 = 1,401,696/x
3. Step 3: Cross multiply
   668,025x = 1,401,696 × 1,401,696
4. Step 4: Simplify right side
   668,025x = 1,964,751,676,416
5. Step 5: Solve for x
   x = 1,964,751,676,416/668,025
6. Step 6: Final answer
   x = 2,941,134.95