Finding the Third Proportional to 678,364 and 1,073,922

Step by Step Solution

1. Step 1: Write the proportion equation
   678,364 : 1,073,922 = 1,073,922 : x
2. Step 2: Convert to fraction form
   678,364/1,073,922 = 1,073,922/x
3. Step 3: Cross multiply
   678,364x = 1,073,922 × 1,073,922
4. Step 4: Simplify right side
   678,364x = 1,153,308,462,084
5. Step 5: Solve for x
   x = 1,153,308,462,084/678,364
6. Step 6: Final answer
   x = 1,700,132.17