Finding the Third Proportional to 5,514,930 and 8,278,227

Step by Step Solution

1. Step 1: Write the proportion equation
   5,514,930 : 8,278,227 = 8,278,227 : x
2. Step 2: Convert to fraction form
   5,514,930/8,278,227 = 8,278,227/x
3. Step 3: Cross multiply
   5,514,930x = 8,278,227 × 8,278,227
4. Step 4: Simplify right side
   5,514,930x = 68,529,042,263,529
5. Step 5: Solve for x
   x = 68,529,042,263,529/5,514,930
6. Step 6: Final answer
   x = 12,426,094.67