Finding the Third Proportional to 668,982 and 1,442,940

Step by Step Solution

1. Step 1: Write the proportion equation
   668,982 : 1,442,940 = 1,442,940 : x
2. Step 2: Convert to fraction form
   668,982/1,442,940 = 1,442,940/x
3. Step 3: Cross multiply
   668,982x = 1,442,940 × 1,442,940
4. Step 4: Simplify right side
   668,982x = 2,082,075,843,600
5. Step 5: Solve for x
   x = 2,082,075,843,600/668,982
6. Step 6: Final answer
   x = 3,112,304.73