Finding the Third Proportional to 1,082,778 and 1,513,743

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082,778 : 1,513,743 = 1,513,743 : x
2. Step 2: Convert to fraction form
   1,082,778/1,513,743 = 1,513,743/x
3. Step 3: Cross multiply
   1,082,778x = 1,513,743 × 1,513,743
4. Step 4: Simplify right side
   1,082,778x = 2,291,417,870,049
5. Step 5: Solve for x
   x = 2,291,417,870,049/1,082,778
6. Step 6: Final answer
   x = 2,116,239.77