Finding the Third Proportional to 613,154 and 1,340,356

Step by Step Solution

1. Step 1: Write the proportion equation
   613,154 : 1,340,356 = 1,340,356 : x
2. Step 2: Convert to fraction form
   613,154/1,340,356 = 1,340,356/x
3. Step 3: Cross multiply
   613,154x = 1,340,356 × 1,340,356
4. Step 4: Simplify right side
   613,154x = 1,796,554,206,736
5. Step 5: Solve for x
   x = 1,796,554,206,736/613,154
6. Step 6: Final answer
   x = 2,930,021.18