Finding the Third Proportional to 5,179,536 and 8,125,158

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179,536 : 8,125,158 = 8,125,158 : x
2. Step 2: Convert to fraction form
   5,179,536/8,125,158 = 8,125,158/x
3. Step 3: Cross multiply
   5,179,536x = 8,125,158 × 8,125,158
4. Step 4: Simplify right side
   5,179,536x = 66,018,192,524,964
5. Step 5: Solve for x
   x = 66,018,192,524,964/5,179,536
6. Step 6: Final answer
   x = 12,745,966.54