Finding the Third Proportional to 5,390,171 and 8,076,936

Step by Step Solution

1. Step 1: Write the proportion equation
   5,390,171 : 8,076,936 = 8,076,936 : x
2. Step 2: Convert to fraction form
   5,390,171/8,076,936 = 8,076,936/x
3. Step 3: Cross multiply
   5,390,171x = 8,076,936 × 8,076,936
4. Step 4: Simplify right side
   5,390,171x = 65,236,895,148,096
5. Step 5: Solve for x
   x = 65,236,895,148,096/5,390,171
6. Step 6: Final answer
   x = 12,102,936.09