Finding the Third Proportional to 1,903,078 and 4,440,665

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903,078 : 4,440,665 = 4,440,665 : x
2. Step 2: Convert to fraction form
   1,903,078/4,440,665 = 4,440,665/x
3. Step 3: Cross multiply
   1,903,078x = 4,440,665 × 4,440,665
4. Step 4: Simplify right side
   1,903,078x = 19,719,505,642,225
5. Step 5: Solve for x
   x = 19,719,505,642,225/1,903,078
6. Step 6: Final answer
   x = 10,361,900.90