Finding the Third Proportional to 1,156,727 and 1,728,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,727 : 1,728,286 = 1,728,286 : x
2. Step 2: Convert to fraction form
   1,156,727/1,728,286 = 1,728,286/x
3. Step 3: Cross multiply
   1,156,727x = 1,728,286 × 1,728,286
4. Step 4: Simplify right side
   1,156,727x = 2,986,972,497,796
5. Step 5: Solve for x
   x = 2,986,972,497,796/1,156,727
6. Step 6: Final answer
   x = 2,582,262.28