Finding the Third Proportional to 2,128,392 and 3,304,530

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,392 : 3,304,530 = 3,304,530 : x
2. Step 2: Convert to fraction form
   2,128,392/3,304,530 = 3,304,530/x
3. Step 3: Cross multiply
   2,128,392x = 3,304,530 × 3,304,530
4. Step 4: Simplify right side
   2,128,392x = 10,919,918,520,900
5. Step 5: Solve for x
   x = 10,919,918,520,900/2,128,392
6. Step 6: Final answer
   x = 5,130,595.55