Finding the Third Proportional to 8,737,826 and 13,106,742

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737,826 : 13,106,742 = 13,106,742 : x
2. Step 2: Convert to fraction form
   8,737,826/13,106,742 = 13,106,742/x
3. Step 3: Cross multiply
   8,737,826x = 13,106,742 × 13,106,742
4. Step 4: Simplify right side
   8,737,826x = 171,786,685,854,564
5. Step 5: Solve for x
   x = 171,786,685,854,564/8,737,826
6. Step 6: Final answer
   x = 19,660,117.50