Finding the Third Proportional to 515,739 and 1,107,648

Step by Step Solution

1. Step 1: Write the proportion equation
   515,739 : 1,107,648 = 1,107,648 : x
2. Step 2: Convert to fraction form
   515,739/1,107,648 = 1,107,648/x
3. Step 3: Cross multiply
   515,739x = 1,107,648 × 1,107,648
4. Step 4: Simplify right side
   515,739x = 1,226,884,091,904
5. Step 5: Solve for x
   x = 1,226,884,091,904/515,739
6. Step 6: Final answer
   x = 2,378,885.62