Finding the Third Proportional to 1,206,108 and 1,638,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,108 : 1,638,000 = 1,638,000 : x
2. Step 2: Convert to fraction form
   1,206,108/1,638,000 = 1,638,000/x
3. Step 3: Cross multiply
   1,206,108x = 1,638,000 × 1,638,000
4. Step 4: Simplify right side
   1,206,108x = 2,683,044,000,000
5. Step 5: Solve for x
   x = 2,683,044,000,000/1,206,108
6. Step 6: Final answer
   x = 2,224,547.06