Finding the Third Proportional to 521,674 and 1,143,356

Step by Step Solution

1. Step 1: Write the proportion equation
   521,674 : 1,143,356 = 1,143,356 : x
2. Step 2: Convert to fraction form
   521,674/1,143,356 = 1,143,356/x
3. Step 3: Cross multiply
   521,674x = 1,143,356 × 1,143,356
4. Step 4: Simplify right side
   521,674x = 1,307,262,942,736
5. Step 5: Solve for x
   x = 1,307,262,942,736/521,674
6. Step 6: Final answer
   x = 2,505,900.13