Finding the Third Proportional to 1,091,286 and 2,380,806

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,286 : 2,380,806 = 2,380,806 : x
2. Step 2: Convert to fraction form
   1,091,286/2,380,806 = 2,380,806/x
3. Step 3: Cross multiply
   1,091,286x = 2,380,806 × 2,380,806
4. Step 4: Simplify right side
   1,091,286x = 5,668,237,209,636
5. Step 5: Solve for x
   x = 5,668,237,209,636/1,091,286
6. Step 6: Final answer
   x = 5,194,089.55