Finding the Third Proportional to 2,148,390 and 3,011,661

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,390 : 3,011,661 = 3,011,661 : x
2. Step 2: Convert to fraction form
   2,148,390/3,011,661 = 3,011,661/x
3. Step 3: Cross multiply
   2,148,390x = 3,011,661 × 3,011,661
4. Step 4: Simplify right side
   2,148,390x = 9,070,101,978,921
5. Step 5: Solve for x
   x = 9,070,101,978,921/2,148,390
6. Step 6: Final answer
   x = 4,221,813.53