Finding the Third Proportional to 517,876 and 1,107,708

Step by Step Solution

1. Step 1: Write the proportion equation
   517,876 : 1,107,708 = 1,107,708 : x
2. Step 2: Convert to fraction form
   517,876/1,107,708 = 1,107,708/x
3. Step 3: Cross multiply
   517,876x = 1,107,708 × 1,107,708
4. Step 4: Simplify right side
   517,876x = 1,227,017,013,264
5. Step 5: Solve for x
   x = 1,227,017,013,264/517,876
6. Step 6: Final answer
   x = 2,369,325.89