Finding the Third Proportional to 2,178,656 and 3,194,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,656 : 3,194,736 = 3,194,736 : x
2. Step 2: Convert to fraction form
   2,178,656/3,194,736 = 3,194,736/x
3. Step 3: Cross multiply
   2,178,656x = 3,194,736 × 3,194,736
4. Step 4: Simplify right side
   2,178,656x = 10,206,338,109,696
5. Step 5: Solve for x
   x = 10,206,338,109,696/2,178,656
6. Step 6: Final answer
   x = 4,684,694.65