Finding the Third Proportional to 5,514,728 and 12,118,020

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514,728 : 12,118,020 = 12,118,020 : x
2. Step 2: Convert to fraction form
   5,514,728/12,118,020 = 12,118,020/x
3. Step 3: Cross multiply
   5,514,728x = 12,118,020 × 12,118,020
4. Step 4: Simplify right side
   5,514,728x = 146,846,408,720,400
5. Step 5: Solve for x
   x = 146,846,408,720,400/5,514,728
6. Step 6: Final answer
   x = 26,628,041.99