Finding the Third Proportional to 8,737,816 and 13,676,976

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737,816 : 13,676,976 = 13,676,976 : x
2. Step 2: Convert to fraction form
   8,737,816/13,676,976 = 13,676,976/x
3. Step 3: Cross multiply
   8,737,816x = 13,676,976 × 13,676,976
4. Step 4: Simplify right side
   8,737,816x = 187,059,672,504,576
5. Step 5: Solve for x
   x = 187,059,672,504,576/8,737,816
6. Step 6: Final answer
   x = 21,408,058.09