Finding the Third Proportional to 9,247,756 and 19,859,040

Step by Step Solution

1. Step 1: Write the proportion equation
   9,247,756 : 19,859,040 = 19,859,040 : x
2. Step 2: Convert to fraction form
   9,247,756/19,859,040 = 19,859,040/x
3. Step 3: Cross multiply
   9,247,756x = 19,859,040 × 19,859,040
4. Step 4: Simplify right side
   9,247,756x = 394,381,469,721,600
5. Step 5: Solve for x
   x = 394,381,469,721,600/9,247,756
6. Step 6: Final answer
   x = 42,646,180.30