Finding the Third Proportional to 981,072 and 1,391,256

Step by Step Solution

1. Step 1: Write the proportion equation
   981,072 : 1,391,256 = 1,391,256 : x
2. Step 2: Convert to fraction form
   981,072/1,391,256 = 1,391,256/x
3. Step 3: Cross multiply
   981,072x = 1,391,256 × 1,391,256
4. Step 4: Simplify right side
   981,072x = 1,935,593,257,536
5. Step 5: Solve for x
   x = 1,935,593,257,536/981,072
6. Step 6: Final answer
   x = 1,972,937.01