Finding the Third Proportional to 1,214,288 and 1,811,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,288 : 1,811,590 = 1,811,590 : x
2. Step 2: Convert to fraction form
   1,214,288/1,811,590 = 1,811,590/x
3. Step 3: Cross multiply
   1,214,288x = 1,811,590 × 1,811,590
4. Step 4: Simplify right side
   1,214,288x = 3,281,858,328,100
5. Step 5: Solve for x
   x = 3,281,858,328,100/1,214,288
6. Step 6: Final answer
   x = 2,702,701.77