Finding the Third Proportional to 1,304,356 and 1,715,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,356 : 1,715,222 = 1,715,222 : x
2. Step 2: Convert to fraction form
   1,304,356/1,715,222 = 1,715,222/x
3. Step 3: Cross multiply
   1,304,356x = 1,715,222 × 1,715,222
4. Step 4: Simplify right side
   1,304,356x = 2,941,986,509,284
5. Step 5: Solve for x
   x = 2,941,986,509,284/1,304,356
6. Step 6: Final answer
   x = 2,255,508.86