Finding the Third Proportional to 8,737,706 and 13,676,799

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737,706 : 13,676,799 = 13,676,799 : x
2. Step 2: Convert to fraction form
   8,737,706/13,676,799 = 13,676,799/x
3. Step 3: Cross multiply
   8,737,706x = 13,676,799 × 13,676,799
4. Step 4: Simplify right side
   8,737,706x = 187,054,830,886,401
5. Step 5: Solve for x
   x = 187,054,830,886,401/8,737,706
6. Step 6: Final answer
   x = 21,407,773.49