Finding the Third Proportional to 9,243,109 and 19,947,682

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243,109 : 19,947,682 = 19,947,682 : x
2. Step 2: Convert to fraction form
   9,243,109/19,947,682 = 19,947,682/x
3. Step 3: Cross multiply
   9,243,109x = 19,947,682 × 19,947,682
4. Step 4: Simplify right side
   9,243,109x = 397,910,017,173,124
5. Step 5: Solve for x
   x = 397,910,017,173,124/9,243,109
6. Step 6: Final answer
   x = 43,049,369.77