Finding the Third Proportional to 1,373,721 and 2,019,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,721 : 2,019,418.50 = 2,019,418.50 : x
2. Step 2: Convert to fraction form
   1,373,721/2,019,418.50 = 2,019,418.50/x
3. Step 3: Cross multiply
   1,373,721x = 2,019,418.50 × 2,019,418.50
4. Step 4: Simplify right side
   1,373,721x = 4,078,051,078,142.25
5. Step 5: Solve for x
   x = 4,078,051,078,142.25/1,373,721
6. Step 6: Final answer
   x = 2,968,616.68