Finding the Third Proportional to 722,412 and 1,581,849

Step by Step Solution

1. Step 1: Write the proportion equation
   722,412 : 1,581,849 = 1,581,849 : x
2. Step 2: Convert to fraction form
   722,412/1,581,849 = 1,581,849/x
3. Step 3: Cross multiply
   722,412x = 1,581,849 × 1,581,849
4. Step 4: Simplify right side
   722,412x = 2,502,246,258,801
5. Step 5: Solve for x
   x = 2,502,246,258,801/722,412
6. Step 6: Final answer
   x = 3,463,738.50