Finding the Third Proportional to 3,226,426 and 7,021,836

Step by Step Solution

1. Step 1: Write the proportion equation
   3,226,426 : 7,021,836 = 7,021,836 : x
2. Step 2: Convert to fraction form
   3,226,426/7,021,836 = 7,021,836/x
3. Step 3: Cross multiply
   3,226,426x = 7,021,836 × 7,021,836
4. Step 4: Simplify right side
   3,226,426x = 49,306,180,810,896
5. Step 5: Solve for x
   x = 49,306,180,810,896/3,226,426
6. Step 6: Final answer
   x = 15,281,980.99