Finding the Third Proportional to 1,214,340 and 1,811,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,340 : 1,811,658 = 1,811,658 : x
2. Step 2: Convert to fraction form
   1,214,340/1,811,658 = 1,811,658/x
3. Step 3: Cross multiply
   1,214,340x = 1,811,658 × 1,811,658
4. Step 4: Simplify right side
   1,214,340x = 3,282,104,708,964
5. Step 5: Solve for x
   x = 3,282,104,708,964/1,214,340
6. Step 6: Final answer
   x = 2,702,788.93