Finding the Third Proportional to 2,161,332 and 3,390,372

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,332 : 3,390,372 = 3,390,372 : x
2. Step 2: Convert to fraction form
   2,161,332/3,390,372 = 3,390,372/x
3. Step 3: Cross multiply
   2,161,332x = 3,390,372 × 3,390,372
4. Step 4: Simplify right side
   2,161,332x = 11,494,622,298,384
5. Step 5: Solve for x
   x = 11,494,622,298,384/2,161,332
6. Step 6: Final answer
   x = 5,318,304.78