Finding the Third Proportional to 1,038,976 and 1,407,936

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,976 : 1,407,936 = 1,407,936 : x
2. Step 2: Convert to fraction form
   1,038,976/1,407,936 = 1,407,936/x
3. Step 3: Cross multiply
   1,038,976x = 1,407,936 × 1,407,936
4. Step 4: Simplify right side
   1,038,976x = 1,982,283,780,096
5. Step 5: Solve for x
   x = 1,982,283,780,096/1,038,976
6. Step 6: Final answer
   x = 1,907,920.66