Finding the Third Proportional to 694,136 and 1,407,592

Step by Step Solution

1. Step 1: Write the proportion equation
   694,136 : 1,407,592 = 1,407,592 : x
2. Step 2: Convert to fraction form
   694,136/1,407,592 = 1,407,592/x
3. Step 3: Cross multiply
   694,136x = 1,407,592 × 1,407,592
4. Step 4: Simplify right side
   694,136x = 1,981,315,238,464
5. Step 5: Solve for x
   x = 1,981,315,238,464/694,136
6. Step 6: Final answer
   x = 2,854,361.74