Finding the Third Proportional to 1,304,357 and 1,715,223

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,357 : 1,715,223 = 1,715,223 : x
2. Step 2: Convert to fraction form
   1,304,357/1,715,223 = 1,715,223/x
3. Step 3: Cross multiply
   1,304,357x = 1,715,223 × 1,715,223
4. Step 4: Simplify right side
   1,304,357x = 2,941,989,939,729
5. Step 5: Solve for x
   x = 2,941,989,939,729/1,304,357
6. Step 6: Final answer
   x = 2,255,509.76