Finding the Third Proportional to 1,265,728 and 1,903,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,265,728 : 1,903,968 = 1,903,968 : x
2. Step 2: Convert to fraction form
   1,265,728/1,903,968 = 1,903,968/x
3. Step 3: Cross multiply
   1,265,728x = 1,903,968 × 1,903,968
4. Step 4: Simplify right side
   1,265,728x = 3,625,094,145,024
5. Step 5: Solve for x
   x = 3,625,094,145,024/1,265,728
6. Step 6: Final answer
   x = 2,864,038.83