Finding the Third Proportional to 4,505,150 and 9,329,678

Step by Step Solution

1. Step 1: Write the proportion equation
   4,505,150 : 9,329,678 = 9,329,678 : x
2. Step 2: Convert to fraction form
   4,505,150/9,329,678 = 9,329,678/x
3. Step 3: Cross multiply
   4,505,150x = 9,329,678 × 9,329,678
4. Step 4: Simplify right side
   4,505,150x = 87,042,891,583,684
5. Step 5: Solve for x
   x = 87,042,891,583,684/4,505,150
6. Step 6: Final answer
   x = 19,320,753.27