Finding the Third Proportional to 726,720 and 1,563,936

Step by Step Solution

1. Step 1: Write the proportion equation
   726,720 : 1,563,936 = 1,563,936 : x
2. Step 2: Convert to fraction form
   726,720/1,563,936 = 1,563,936/x
3. Step 3: Cross multiply
   726,720x = 1,563,936 × 1,563,936
4. Step 4: Simplify right side
   726,720x = 2,445,895,812,096
5. Step 5: Solve for x
   x = 2,445,895,812,096/726,720
6. Step 6: Final answer
   x = 3,365,664.65