Finding the Third Proportional to 641,007 and 1,401,085

Step by Step Solution

1. Step 1: Write the proportion equation
   641,007 : 1,401,085 = 1,401,085 : x
2. Step 2: Convert to fraction form
   641,007/1,401,085 = 1,401,085/x
3. Step 3: Cross multiply
   641,007x = 1,401,085 × 1,401,085
4. Step 4: Simplify right side
   641,007x = 1,963,039,177,225
5. Step 5: Solve for x
   x = 1,963,039,177,225/641,007
6. Step 6: Final answer
   x = 3,062,430.17