Finding the Third Proportional to 512,856 and 1,116,018

Step by Step Solution

1. Step 1: Write the proportion equation
   512,856 : 1,116,018 = 1,116,018 : x
2. Step 2: Convert to fraction form
   512,856/1,116,018 = 1,116,018/x
3. Step 3: Cross multiply
   512,856x = 1,116,018 × 1,116,018
4. Step 4: Simplify right side
   512,856x = 1,245,496,176,324
5. Step 5: Solve for x
   x = 1,245,496,176,324/512,856
6. Step 6: Final answer
   x = 2,428,549.49