Finding the Third Proportional to 4,403,426 and 9,108,916

Step by Step Solution

1. Step 1: Write the proportion equation
   4,403,426 : 9,108,916 = 9,108,916 : x
2. Step 2: Convert to fraction form
   4,403,426/9,108,916 = 9,108,916/x
3. Step 3: Cross multiply
   4,403,426x = 9,108,916 × 9,108,916
4. Step 4: Simplify right side
   4,403,426x = 82,972,350,695,056
5. Step 5: Solve for x
   x = 82,972,350,695,056/4,403,426
6. Step 6: Final answer
   x = 18,842,680.83