Finding the Third Proportional to 1,286,584 and 1,892,455

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,584 : 1,892,455 = 1,892,455 : x
2. Step 2: Convert to fraction form
   1,286,584/1,892,455 = 1,892,455/x
3. Step 3: Cross multiply
   1,286,584x = 1,892,455 × 1,892,455
4. Step 4: Simplify right side
   1,286,584x = 3,581,385,927,025
5. Step 5: Solve for x
   x = 3,581,385,927,025/1,286,584
6. Step 6: Final answer
   x = 2,783,639.41