Finding the Third Proportional to 517,870 and 1,107,699

Step by Step Solution

1. Step 1: Write the proportion equation
   517,870 : 1,107,699 = 1,107,699 : x
2. Step 2: Convert to fraction form
   517,870/1,107,699 = 1,107,699/x
3. Step 3: Cross multiply
   517,870x = 1,107,699 × 1,107,699
4. Step 4: Simplify right side
   517,870x = 1,226,997,074,601
5. Step 5: Solve for x
   x = 1,226,997,074,601/517,870
6. Step 6: Final answer
   x = 2,369,314.84