Finding the Third Proportional to 4,403,430 and 9,108,924

Step by Step Solution

1. Step 1: Write the proportion equation
   4,403,430 : 9,108,924 = 9,108,924 : x
2. Step 2: Convert to fraction form
   4,403,430/9,108,924 = 9,108,924/x
3. Step 3: Cross multiply
   4,403,430x = 9,108,924 × 9,108,924
4. Step 4: Simplify right side
   4,403,430x = 82,972,496,437,776
5. Step 5: Solve for x
   x = 82,972,496,437,776/4,403,430
6. Step 6: Final answer
   x = 18,842,696.82