Finding the Third Proportional to 912,903 and 1,421,022

Step by Step Solution

1. Step 1: Write the proportion equation
   912,903 : 1,421,022 = 1,421,022 : x
2. Step 2: Convert to fraction form
   912,903/1,421,022 = 1,421,022/x
3. Step 3: Cross multiply
   912,903x = 1,421,022 × 1,421,022
4. Step 4: Simplify right side
   912,903x = 2,019,303,524,484
5. Step 5: Solve for x
   x = 2,019,303,524,484/912,903
6. Step 6: Final answer
   x = 2,211,958.47