Finding the Third Proportional to 518,910 and 1,139,976

Step by Step Solution

1. Step 1: Write the proportion equation
   518,910 : 1,139,976 = 1,139,976 : x
2. Step 2: Convert to fraction form
   518,910/1,139,976 = 1,139,976/x
3. Step 3: Cross multiply
   518,910x = 1,139,976 × 1,139,976
4. Step 4: Simplify right side
   518,910x = 1,299,545,280,576
5. Step 5: Solve for x
   x = 1,299,545,280,576/518,910
6. Step 6: Final answer
   x = 2,504,375.10