Finding the Third Proportional to 1,372,560 and 1,980,099

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,560 : 1,980,099 = 1,980,099 : x
2. Step 2: Convert to fraction form
   1,372,560/1,980,099 = 1,980,099/x
3. Step 3: Cross multiply
   1,372,560x = 1,980,099 × 1,980,099
4. Step 4: Simplify right side
   1,372,560x = 3,920,792,049,801
5. Step 5: Solve for x
   x = 3,920,792,049,801/1,372,560
6. Step 6: Final answer
   x = 2,856,554.21