Finding the Third Proportional to 1,015,584 and 2,171,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,584 : 2,171,136 = 2,171,136 : x
2. Step 2: Convert to fraction form
   1,015,584/2,171,136 = 2,171,136/x
3. Step 3: Cross multiply
   1,015,584x = 2,171,136 × 2,171,136
4. Step 4: Simplify right side
   1,015,584x = 4,713,831,530,496
5. Step 5: Solve for x
   x = 4,713,831,530,496/1,015,584
6. Step 6: Final answer
   x = 4,641,498.42