Finding the Third Proportional to 3,216,620 and 7,072,936

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216,620 : 7,072,936 = 7,072,936 : x
2. Step 2: Convert to fraction form
   3,216,620/7,072,936 = 7,072,936/x
3. Step 3: Cross multiply
   3,216,620x = 7,072,936 × 7,072,936
4. Step 4: Simplify right side
   3,216,620x = 50,026,423,660,096
5. Step 5: Solve for x
   x = 50,026,423,660,096/3,216,620
6. Step 6: Final answer
   x = 15,552,481.69