Finding the Third Proportional to 589,834 and 1,290,056

Step by Step Solution

1. Step 1: Write the proportion equation
   589,834 : 1,290,056 = 1,290,056 : x
2. Step 2: Convert to fraction form
   589,834/1,290,056 = 1,290,056/x
3. Step 3: Cross multiply
   589,834x = 1,290,056 × 1,290,056
4. Step 4: Simplify right side
   589,834x = 1,664,244,483,136
5. Step 5: Solve for x
   x = 1,664,244,483,136/589,834
6. Step 6: Final answer
   x = 2,821,547.22