Finding the Third Proportional to 1,143,111 and 1,683,087

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,111 : 1,683,087 = 1,683,087 : x
2. Step 2: Convert to fraction form
   1,143,111/1,683,087 = 1,683,087/x
3. Step 3: Cross multiply
   1,143,111x = 1,683,087 × 1,683,087
4. Step 4: Simplify right side
   1,143,111x = 2,832,781,849,569
5. Step 5: Solve for x
   x = 2,832,781,849,569/1,143,111
6. Step 6: Final answer
   x = 2,478,133.66