Finding the Third Proportional to 1,013,721 and 1,417,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,721 : 1,417,242 = 1,417,242 : x
2. Step 2: Convert to fraction form
   1,013,721/1,417,242 = 1,417,242/x
3. Step 3: Cross multiply
   1,013,721x = 1,417,242 × 1,417,242
4. Step 4: Simplify right side
   1,013,721x = 2,008,574,886,564
5. Step 5: Solve for x
   x = 2,008,574,886,564/1,013,721
6. Step 6: Final answer
   x = 1,981,388.26