Finding the Third Proportional to 1,839,456 and 4,021,056

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839,456 : 4,021,056 = 4,021,056 : x
2. Step 2: Convert to fraction form
   1,839,456/4,021,056 = 4,021,056/x
3. Step 3: Cross multiply
   1,839,456x = 4,021,056 × 4,021,056
4. Step 4: Simplify right side
   1,839,456x = 16,168,891,355,136
5. Step 5: Solve for x
   x = 16,168,891,355,136/1,839,456
6. Step 6: Final answer
   x = 8,790,039.75