Finding the Third Proportional to 515,148 and 1,116,048

Step by Step Solution

1. Step 1: Write the proportion equation
   515,148 : 1,116,048 = 1,116,048 : x
2. Step 2: Convert to fraction form
   515,148/1,116,048 = 1,116,048/x
3. Step 3: Cross multiply
   515,148x = 1,116,048 × 1,116,048
4. Step 4: Simplify right side
   515,148x = 1,245,563,138,304
5. Step 5: Solve for x
   x = 1,245,563,138,304/515,148
6. Step 6: Final answer
   x = 2,417,874.36