Finding the Third Proportional to 1,372,558 and 1,980,096

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,558 : 1,980,096 = 1,980,096 : x
2. Step 2: Convert to fraction form
   1,372,558/1,980,096 = 1,980,096/x
3. Step 3: Cross multiply
   1,372,558x = 1,980,096 × 1,980,096
4. Step 4: Simplify right side
   1,372,558x = 3,920,780,169,216
5. Step 5: Solve for x
   x = 3,920,780,169,216/1,372,558
6. Step 6: Final answer
   x = 2,856,549.72