Finding the Third Proportional to 3,208,216 and 7,133,736

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208,216 : 7,133,736 = 7,133,736 : x
2. Step 2: Convert to fraction form
   3,208,216/7,133,736 = 7,133,736/x
3. Step 3: Cross multiply
   3,208,216x = 7,133,736 × 7,133,736
4. Step 4: Simplify right side
   3,208,216x = 50,890,189,317,696
5. Step 5: Solve for x
   x = 50,890,189,317,696/3,208,216
6. Step 6: Final answer
   x = 15,862,457.30