Finding the Third Proportional to 1,304,354 and 1,715,219

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,354 : 1,715,219 = 1,715,219 : x
2. Step 2: Convert to fraction form
   1,304,354/1,715,219 = 1,715,219/x
3. Step 3: Cross multiply
   1,304,354x = 1,715,219 × 1,715,219
4. Step 4: Simplify right side
   1,304,354x = 2,941,976,217,961
5. Step 5: Solve for x
   x = 2,941,976,217,961/1,304,354
6. Step 6: Final answer
   x = 2,255,504.42