Finding the Third Proportional to 1,122,210 and 2,421,567

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,210 : 2,421,567 = 2,421,567 : x
2. Step 2: Convert to fraction form
   1,122,210/2,421,567 = 2,421,567/x
3. Step 3: Cross multiply
   1,122,210x = 2,421,567 × 2,421,567
4. Step 4: Simplify right side
   1,122,210x = 5,863,986,735,489
5. Step 5: Solve for x
   x = 5,863,986,735,489/1,122,210
6. Step 6: Final answer
   x = 5,225,391.62