Finding the Third Proportional to 669,722 and 1,469,507

Step by Step Solution

1. Step 1: Write the proportion equation
   669,722 : 1,469,507 = 1,469,507 : x
2. Step 2: Convert to fraction form
   669,722/1,469,507 = 1,469,507/x
3. Step 3: Cross multiply
   669,722x = 1,469,507 × 1,469,507
4. Step 4: Simplify right side
   669,722x = 2,159,450,823,049
5. Step 5: Solve for x
   x = 2,159,450,823,049/669,722
6. Step 6: Final answer
   x = 3,224,398.81