Finding the Third Proportional to 1,372,554 and 1,980,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,554 : 1,980,090 = 1,980,090 : x
2. Step 2: Convert to fraction form
   1,372,554/1,980,090 = 1,980,090/x
3. Step 3: Cross multiply
   1,372,554x = 1,980,090 × 1,980,090
4. Step 4: Simplify right side
   1,372,554x = 3,920,756,408,100
5. Step 5: Solve for x
   x = 3,920,756,408,100/1,372,554
6. Step 6: Final answer
   x = 2,856,540.73