Finding the Third Proportional to 1,212,514 and 1,811,283

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,514 : 1,811,283 = 1,811,283 : x
2. Step 2: Convert to fraction form
   1,212,514/1,811,283 = 1,811,283/x
3. Step 3: Cross multiply
   1,212,514x = 1,811,283 × 1,811,283
4. Step 4: Simplify right side
   1,212,514x = 3,280,746,106,089
5. Step 5: Solve for x
   x = 3,280,746,106,089/1,212,514
6. Step 6: Final answer
   x = 2,705,738.74