Finding the Third Proportional to 1,304,364 and 1,715,231

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,364 : 1,715,231 = 1,715,231 : x
2. Step 2: Convert to fraction form
   1,304,364/1,715,231 = 1,715,231/x
3. Step 3: Cross multiply
   1,304,364x = 1,715,231 × 1,715,231
4. Step 4: Simplify right side
   1,304,364x = 2,942,017,383,361
5. Step 5: Solve for x
   x = 2,942,017,383,361/1,304,364
6. Step 6: Final answer
   x = 2,255,518.69