Finding the Third Proportional to 836,655 and 1,256,892

Step by Step Solution

1. Step 1: Write the proportion equation
   836,655 : 1,256,892 = 1,256,892 : x
2. Step 2: Convert to fraction form
   836,655/1,256,892 = 1,256,892/x
3. Step 3: Cross multiply
   836,655x = 1,256,892 × 1,256,892
4. Step 4: Simplify right side
   836,655x = 1,579,777,499,664
5. Step 5: Solve for x
   x = 1,579,777,499,664/836,655
6. Step 6: Final answer
   x = 1,888,206.61