Finding the Third Proportional to 8,815,834 and 13,622,706

Step by Step Solution

1. Step 1: Write the proportion equation
   8,815,834 : 13,622,706 = 13,622,706 : x
2. Step 2: Convert to fraction form
   8,815,834/13,622,706 = 13,622,706/x
3. Step 3: Cross multiply
   8,815,834x = 13,622,706 × 13,622,706
4. Step 4: Simplify right side
   8,815,834x = 185,578,118,762,436
5. Step 5: Solve for x
   x = 185,578,118,762,436/8,815,834
6. Step 6: Final answer
   x = 21,050,545.96