Finding the Third Proportional to 3,669,214 and 8,633,449

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,214 : 8,633,449 = 8,633,449 : x
2. Step 2: Convert to fraction form
   3,669,214/8,633,449 = 8,633,449/x
3. Step 3: Cross multiply
   3,669,214x = 8,633,449 × 8,633,449
4. Step 4: Simplify right side
   3,669,214x = 74,536,441,635,601
5. Step 5: Solve for x
   x = 74,536,441,635,601/3,669,214
6. Step 6: Final answer
   x = 20,314,007.75