Finding the Third Proportional to 1,372,544 and 1,980,078

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,544 : 1,980,078 = 1,980,078 : x
2. Step 2: Convert to fraction form
   1,372,544/1,980,078 = 1,980,078/x
3. Step 3: Cross multiply
   1,372,544x = 1,980,078 × 1,980,078
4. Step 4: Simplify right side
   1,372,544x = 3,920,708,886,084
5. Step 5: Solve for x
   x = 3,920,708,886,084/1,372,544
6. Step 6: Final answer
   x = 2,856,526.92