Finding the Third Proportional to 8,665,128 and 12,113,760

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665,128 : 12,113,760 = 12,113,760 : x
2. Step 2: Convert to fraction form
   8,665,128/12,113,760 = 12,113,760/x
3. Step 3: Cross multiply
   8,665,128x = 12,113,760 × 12,113,760
4. Step 4: Simplify right side
   8,665,128x = 146,743,181,337,600
5. Step 5: Solve for x
   x = 146,743,181,337,600/8,665,128
6. Step 6: Final answer
   x = 16,934,912.14