Finding the Third Proportional to 672,590 and 1,407,496

Step by Step Solution

1. Step 1: Write the proportion equation
   672,590 : 1,407,496 = 1,407,496 : x
2. Step 2: Convert to fraction form
   672,590/1,407,496 = 1,407,496/x
3. Step 3: Cross multiply
   672,590x = 1,407,496 × 1,407,496
4. Step 4: Simplify right side
   672,590x = 1,981,044,990,016
5. Step 5: Solve for x
   x = 1,981,044,990,016/672,590
6. Step 6: Final answer
   x = 2,945,397.63