Finding the Third Proportional to 1,372,542 and 1,980,075

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,542 : 1,980,075 = 1,980,075 : x
2. Step 2: Convert to fraction form
   1,372,542/1,980,075 = 1,980,075/x
3. Step 3: Cross multiply
   1,372,542x = 1,980,075 × 1,980,075
4. Step 4: Simplify right side
   1,372,542x = 3,920,697,005,625
5. Step 5: Solve for x
   x = 3,920,697,005,625/1,372,542
6. Step 6: Final answer
   x = 2,856,522.43