Finding the Third Proportional to 1,214,286 and 1,811,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,286 : 1,811,580 = 1,811,580 : x
2. Step 2: Convert to fraction form
   1,214,286/1,811,580 = 1,811,580/x
3. Step 3: Cross multiply
   1,214,286x = 1,811,580 × 1,811,580
4. Step 4: Simplify right side
   1,214,286x = 3,281,822,096,400
5. Step 5: Solve for x
   x = 3,281,822,096,400/1,214,286
6. Step 6: Final answer
   x = 2,702,676.38