Finding the Third Proportional to 774,084 and 1,172,790

Step by Step Solution

1. Step 1: Write the proportion equation
   774,084 : 1,172,790 = 1,172,790 : x
2. Step 2: Convert to fraction form
   774,084/1,172,790 = 1,172,790/x
3. Step 3: Cross multiply
   774,084x = 1,172,790 × 1,172,790
4. Step 4: Simplify right side
   774,084x = 1,375,436,384,100
5. Step 5: Solve for x
   x = 1,375,436,384,100/774,084
6. Step 6: Final answer
   x = 1,776,856.75