Finding the Third Proportional to 2,011,693 and 4,311,021

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011,693 : 4,311,021 = 4,311,021 : x
2. Step 2: Convert to fraction form
   2,011,693/4,311,021 = 4,311,021/x
3. Step 3: Cross multiply
   2,011,693x = 4,311,021 × 4,311,021
4. Step 4: Simplify right side
   2,011,693x = 18,584,902,062,441
5. Step 5: Solve for x
   x = 18,584,902,062,441/2,011,693
6. Step 6: Final answer
   x = 9,238,438.50