Finding the Third Proportional to 1,123,856 and 1,679,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,856 : 1,679,136 = 1,679,136 : x
2. Step 2: Convert to fraction form
   1,123,856/1,679,136 = 1,679,136/x
3. Step 3: Cross multiply
   1,123,856x = 1,679,136 × 1,679,136
4. Step 4: Simplify right side
   1,123,856x = 2,819,497,706,496
5. Step 5: Solve for x
   x = 2,819,497,706,496/1,123,856
6. Step 6: Final answer
   x = 2,508,771.33